It’s different content.
To put that into something more relatable:
Using your logic it wouldn’t matter what I eat, as long as I eat.
In Pochven you have sites and roaming NPCs of various degree of difficulty. Some can easily be wiped by long range kiting, some will warp ontop of you for trying it. Some will even fight each other and you add yourself into this fight. There … at least used to be … literal swarms of rogue drones which are really nasty little buggers and I absolutely love the idea of them.
Pochven is jam packed with stuff to do, covering the whole range of difficulties. Even people who just want to loot and salvage stuff can get happy there. There’s something for literally everyone.
Problem are people, their expectations and lack of curiosity. Too many people just care about the reward instead of the experience. People who treat the game as a collection of mini-games, instead of a holistic experience, of course won’t be happy with this.
Personally, I hope these guys all just want to leave sooner, rather than later.