I like how so many people are responding to this and also reading/liking it. I feel like this producer post is turning out to be pretty impactful, and it's fun to see things actually work :-)
My initial suggestion is somewhat general. The revamped dynamis is almost universally accepted as a success. Anyone that wants to farm solo/duo once a day for 2 hours in there can have some actual fun, make progress toward a relic or just get filthy rich, and feel like they used their limited playtime to accomplish a lot. In addition, it has some very difficult content in Arch-Dynamis Lord, as well as the less commonly fought Arch Golem (jeuno), and all of the zones are ultimately fun, engaging, and profitable for large groups as well. Make more content like this. It caters to the people with gobs of time on their hands, and the people who have very little time to play on a daily basis. The difficulty level is not hard, but it is certainly not too easy either.
Now for another, more specific suggestion. There is a lot of talk on the forums (regularly flamed) about wanting back the old 6 man party and ditching the whole abyssea level up process. I, myself am nostalgic and remember having lots of fun leveling up in 6 man parties, but I do not desire to go back to the painstaking process of putting together a group and having it be so inflexible. I think most can relate to me in that respect. SE has had some great responses to the instanced battlefield type content, and maybe meeble burrows resembles what I'm about to suggest. Make a battlefield which is basically like a merit party, with lots of mobs to kill, mobs that can kill you, but won't if you have a good healer and DDs, then monitor something like xp/minute or total xp gained in a short duration. Have goals based on how much xp was gained, which give rewards or have a progression toward rewards. Just as a simple example of this, if you made 20 Alexandrites the reward for gaining 30,000 xp (or any form of "point" for that matter) in 30 minutes, and 1 Umbral Marrow the reward for a total of 1 Million xp in the dungeon over time, people would have a very fun alternative option for experience parties as well as increasing the supply of alexandrites and umbral marrows within reason. Also have levels of difficulty in increments of 5 levels or something, and level sync the people who are higher so it's not too hard to get a party together. I won't try to put all the details in there for you, because it won't be implemented exactly as I suggested it, but I think the example is similar to dynamis style content, and would be very well recieved.
A couple of points other than that.
*The success of any event is directly related to the rewards - e.g. MMM failed because the weapons weren't good enough, not because people don't like fighting a challenging boss 6 times a day in less than an hour for a reasonable drop rate.
*Zerg events are fun, but we don't need all major NMs to be zerg events. Work to brainstorm some mob AI or conditions that prevent this. We don't want to fight mobs without our buffs on, we want to be able to use all of our abilities and have them be useful, but the solution to stopping zergs should not be instakill TP moves. We need to find a way to get mobs to be hard like Kirin was when he was first introduced, something where people talked about how skilled they were because they killed him with only 9 people, even though it took forever. Absolute Virtue was like this before perfect defense and embrava (and arguably level cap 99).
*Not that I care a whole lot about RDM, but as a non-RDM, I can say I do agree that I don't invite them to anything, but I would like to. (Give them a 2-hour that lowers the level of the mob like phase displacers in Voidwatch......DO IT!)
*The new expansion could seriously enhance this game (some say "save" but I think it's fun now). You guys are great at coming up with great ideas that we never thought of, and I mean that, but make sure that all the things people are requesting here are on your list of priorities for the new content. Meaning, put it on your whiteboard "Does this content meet the requirements 1. Fun 2. Accessible 3. Challenging etc. etc."
I could spend all day writing, but I don't want to waste your time nit picking the details.
