My opinion on SsethTzeentach changed when guy did two and half hours long presentation (and Q&A) on current state of and ongoing developments in oncology.

It was a joke, but apparently this is his real field of expertise and YouTube edgelord persona is what he does to wind down after work.

Here's recording of stream in question, potentially offensive and NSFW jokes: https://www.youtube.com/watch?v=hsRVQWfqjms