Y combinator has funded a significant portion of the most harmful tech companies of this century. They're profoundly amoral, just like you'd expect from a profitable venture capital firm.
On the bright side, they also hire dang, so that's one against 100 million.
To be honest, I have personally funded almost all of the most harmful companies that are around today, too.
But that's because I funded pretty much all the companies via my investment in an index fund.
YC pretty much takes something like an index fund approach to startups: they finance a lot of them. So naturally they would also have a significant portion of what you deem to be harmful ones.
And the few that have gone public have done awful
https://medium.com/@Arakunrin/the-post-ipo-performance-of-y-...