Earlier quoted context omitted.
It can be any part. Usually, the problem is that companies find out that I'm not good as a cog in a machine. That can happen at any time, but once they do, they're not interested.
You seem like a super intelligent guy in regards to your profession, though (and perhaps it is my own bias) also super contrarian. I'd genuinely always pick the person who is easy to work with than someone who might cause conflict - even if the latter was way smarter. Collaboration is key in teams.
I personally think I'm just not a good fit anywhere.