Anyone else concerned by the extremely low skill ceiling?

[Penthea]

Raids in WoW still take a few weeks to complete nowadays.

WoW often has three times more bosses per raid tier than FFXIV. There are usually at least ten bosses each tier. FFXIV only has four bosses per raid tier, with the exception of one Coils tier that has five as far as I recall.

So yea of course it takes several weeks to complete a raid tier in WoW. There are significantly more bosses.

What I'm asking for is a slight increase in difficulty, so that the more hardcore players can complete the raid in a week or so while the rest of the population can still clear before the release of the next tier.
That way we wouldn't have a huge population of raiders who only log in for their Savage clears on Tuesday and then log out for the rest of the week, or worse, unsub until the new patch get released, making SE lose potential money.

That's going to happen regardless of what difficulty of content there is in the game. Even casual players have those sort of logging and subbing habits. That's just how some people are. The game's content is not entirely to blame for that. Not everyone does these things out of a lack of things to do. Sometimes people just want to do something else other than FFXIV. I have seen this happen in every multi player game I have played.

As for making content slightly harder, I'm okay with that but I don't see it having the effect you desire from it. As mentioned before, people make habits of logging in rarely at times or unsubbing regularly regardless of their skill level or goals in gaming. Everyone is different, and some people like to have a change of scenery more often than others.