I like how you have one person in a sea of people who agrees with you, and clearly they're "logical." I'll reiterate once again, if the hardcore raiders all begin quitting because the game no longer appeals to them in anyway. Who is making guides; who is joining PFs to help players get their clears? All the guides you see explaining the finer details and job intricacies are done by hardcore players-- the same community who think deserves nothing. The whole Theme Park genre intends to offer content for every demographic, be they hardcore raiders, roleplayers or people simply looking to have fun running a dungeon. If you divvy up this content individually, you'll discover things like crafting, gathering and even certain job (Machinist) have a rather niche audience. I suppose the devs should cut out crafting and PvP. After all, those aren't nearly as popular.
Again, it's one thing to complain 4.1 lacks content. Just stop blaming Ultimate because it has absolutely no bearing on why 4.1 may or may not feel empty.