Emphasis mine:

A team of researchers who say they are from the University of Zurich ran an “unauthorized,” large-scale experiment […]

This whole thing is sus from the get-go. Why should I believe anything these anonymous supposed “researchers” say?

If you have no qualms about pretending to be a sexual assault survivor, trauma counselor, and/or a Black man opposed to Black Lives Matter, you meet the dictionary definition of a sociopath. And I don't give a shit about "oh it's AI doing it not the people." I'm sorry, is the AI sentient? No. The humans are, and they chose to run the AI. I don't even care if those personas were entirely the AI's creation, if you didn't stop the AI as soon as you realize it was going there you're still a horrible person. Same with if you didn't even check what the AI was doing while running this """research"""