He did this recently in Amsterdam as well.
The lad obviously has some issues. As he rightly points out, we all do.
But since no-one knows who I am, or you are, our issues don't get paraded in the media or on BA flights.
He could afford to almost entirely insulate himself from all these issues if he chose to, many rich people do.
But he doesn't because for all their other qualities most performers remain the hams that caused them to be there in the first place.