There isn't less stuff than ever, some is just deliberately splintered off to the minor patches for a more even spread but overall it's at least as much as we've always been getting....

4.1 through 4.15 is...
> Alliance raid
> Light-Party Dungeon
> Main Scenario quests
> New PvP mode and map
> New housing area and updates
> First ever Ultimate raid
> Extreme trial
> Squadron dungeon content
> Hildibrand sidequests
> Beast Tribe quests
> Perform music feature
> Custom Delivery content
> Deeper treasure map dungeon with new mechanics
> Many major UI improvements
> Cross-world friend list, tells
> Raid roulette + adjustments to Labyrinth
> and the usual job fixes, new mounts, etc

Yeah I guess the whiners are right, the dev team have just been sitting on their butts. They are barely producing the most content of any dev team in the industry any more. It's not like we are getting more raid content than any previous patch series with the addition of the Ultimate series on odd-number patches. It's not like they took the effort to create an entirely new pvp concept with piloting machina and destroying enemy towers. For these new kinds of content we lost a hard-mode dungeon which everyone was telling them we don't want any more because it's a boring hallway of trash pulls. But it's gone, therefore weakest patch ever? {/sarcasm}

It's gonna be a huge patch for the little things like... use chocobo and minion at the same time; see chocobo remaining time in party list; set status bar to multi lines to separate buff, debuff, other; new moving house service; new storeroom for furnishings; detach and salvage materia melds system added; the list goes on, it's going to be a big set of patch notes. You can go through the list of content and say that none of it interests you personally, but saying the devs are doing less work every year is a false claim. If you don't skip things you can see that there is still a lot of stuff, it's just gradually shifting to new kinds of content and breaking from the old formula.