I somehow don't think he did all those things by mistake.
He didn't do them by mistake, but it was a mistake to do them.
I hate bullies with a vengeance and IMO this is were he got it wrong, the substance abuse was rife, he was the best at it.
He was a talented triathlete before the tour years, and you don't get to be a tour rider without the attributes.
Shame is attitude to others let him down.