I don't necessarily view it as you saying people should kill themselves. Maybe black pill isn't as generic of a term as I thought it was and people only heavily associate with incel stuff.

The correct response to the state of the world is depression and anxiety

To me this just reeks of the "there is no hope" type of rhetoric. Things are awful, I'm not saying they're super cool, and I don't have false impressions of things getting better soon, but giving up is what they want.