People can be predisposed towards something, and then have a tipping point brought by periods of great stress

Jason Arday recently committed suicide due to media pressure, and even when the media was told that he was not mentally well and should please back off, they didn't.

The man was accused of plagiarism, and there was no final verdict on if he did. The institutions that hired him clearly had no issues in vetting him. And yet he committed suicide.

There are absolutely horrible people out there right now who's entire careers are shams, and don't even come close to thinking about it. People are built different, and have different triggers