Heh. It's funny. Dragotha, for 3.5 in Dungeon Magazine, had a page and a half stat block and was the longest stat block Dungeon published for 3.5. And 3.5 D&D is a heck of a lot more complex than 5e. Yet, here, we have a two page stat block and that's heralded as being simpler to use? And, it's not actually addressing the point that's been made repeatedly throughout this thread that NPC's and PC's should use the same rules. It's apparently okay to not use PC rules, so long as you aren't WotC?
Again, in a combat that's going to last about 3 rounds (give or take), why do I want a stat block that gives me dozens of potential actions per round? And, again, since this keeps getting ignored, since DM's can't actually handle the complexity without making mistakes in play, what's the point of using higher complexity?
Do people really think that they don't make multiple mistakes per combat with high level monsters?
Just to add a later thought - isn't this the best of both worlds though? Those that want a more complicated version of D&D are getting a more complex version of D&D. Those that want a simpler version are getting what they want. Where's the problem?