Hello everyone!
First things first, I would like to mention, to avoid confusion, that I have been following many threads on the FFXIV forums since it's opening. However, I was unable to reply to any thread then (and some of them really made me want to do so) because I was in Japan for the past month without my one-time key.
Instead of reopening the debate of many threads, I would like to express myself in a single thread for simplicity and consolidation of my opinions. Hopefully, this will also help the translators get this to the developers.

What really stirred me up, by reading the forum, is the abundance of opinions asking features to 'limit' in a way or another how other players should play. A few examples about that: the debate about jumping (some don't want to see jumping because it annoys them, for example), the debate about PVP (same here, some persons don't want to see that happening because of fear they will be targeted. We should focus on HOW it would be ok, for you, to see it happening), and many more I could mention.
While almost all opinions debated in these kinds of threads hold some points to be taken into consideration, I believe that one criteria should always be taken into consideration when formulating one's opinion or deciding if a suggestion is worth it or not. It is called freedom: freedom to play your character the way you want it to, freedom to customize your character the way you want it to, freedom to engage in any activity of your choice at any time, etc.
Why is that? Freedom in an online game is synonym of fun, because it can reach everyone and harmonize different gaming style for player to player.

My opinion on any suggestion can be summarized as this: does it brings more freedom to the game or does it restricts players to behave a certain way? If it brings freedom, I am for it. If it puts limitations to hold certain players down, I am against it.
Of course, we'll always have bad players trying to ruin others' fun, always. The only way to stop these players completely is by turning off the servers, otherwise, no matter how little a player's freedom in a game is, they will always find a way to make others feel bad. So, does that mean we should promote limitations in the game to try to control them or try to focus on the real aspect that brought us in: entertainment and fun?
I believe in the fun, that's why we all play.
For example, yes I do support jumping ( a free form of jumping). Of course, we'll have some characters jumping around all the time. But that won't be the majority, and, of all the jumping players, not all of them are going to be crazy-immature-jumpers; one person could be trying to catch a particular angle for a screenshot, having a jumping event with their linkshell (whatever this might be, haha), etc. I don't think a valid opinion should include "it annoys me", because you never know what is truly going on on the other side.
Another example, Players-VS-Players. Yes, I do support PVP. No, I am not a fan of slaughtering my friends, so why do I support it? Because I know a lot of persons enjoy it (just look at World of Warcraft's PVP, people do enjoy it) and because under certain circumstances I, too, would make use of it (combat tactics training with friends without putting our lives on the line, for example).
A final example, I do not support full gear restrictions (class based, rank based restrictions to allow players to wear something). I believe it does not promote freedom of play. Being able to wear anything, anytime is a strong point of FFXIV in my opinion. It allows linkshells to have 'uniforms' for their members to wear during meetings, it allows roleplayers to play their characters better, it allows players to try armours and pick clothes to design a unique clothing style for later ranks if they stumble on good deals in the markets, be able to craft items without changing gears or going naked, etc. Of course, I do understand that it can bring a certain form of achievement for some players to have class/rank-restricted armours. But for it to be an achievement, these kinds of armours with restrictions should be very few in numbers, something rare that makes you more unique. If it becomes too common, we are just going back to old rules and what other MMO's are doing, and putting limitations on the players.

So, how exactly can we get such features while making it hard for immature players to kill our fun, but at the same time not having to put limitations on ourselves? That's what the debate in the threads should be. It can be an option to toggle on-off (flag yourself for PVP or not, enable more on-screen information or hide it [aggro icon, for example]), disable display of other characters' jumps (except for running down cliffs and other obstacles) or other visual features, etc.
I believe in the programming skills of the developers and I am sure they can bring to life our ideas, while allowing other players, negative about the idea, to enjoy themselves in their activities too.

Thank you very much for reading.