Same thing happens on HN. Comments that go against the kooolaid-driven white saviour ethos of certain VC-backed ideas are often downvoted. Still not as bad as popular Reddit subs though.

There is so much dystopian doublespeak in startup marketing, and people continue to believe it, because not doing so threatens their careers. Of course there are also many startups out there that actually do improve lives, but I wouldn't say it's the majority.