Some of it is organic hype and some of it is Corporate Funded social media teams / personnel who do their best to control the online narrative. Happens every time a Triple A game launches, no matter how many times that Company has betrayed it’s audience and succumbed to greedy scummy practices. People even still talk about Activision Blizzard titles as if it won’t just be another cashgrab.
Personally, I’m always super skeptical about these sort of games having a positive reception. I think the fast decline in user scores since launch is a perfect example of how unreliable the hype is.