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watch his self-filmed youtube channel and you may change your mind

Mostly towards the end of his life it would appear. I don't recall hearing anything about him prior to 2016 and the run-up in crypto.

He routinely popped up in the news over the last 20 years at least.

I may be wrong but did you somehow miss this:

Exactly.. the art of not giving a fuck

Seeking attention is an opposite of not giving a fuck.

I think not giving a fuck means not caring to appear respectable in this context.