He's literally just had his job taken off him because the suits think have said he's useless. That's doing well for yourself?
No one is demonising him. People are just stating, correctly, that he's not very good at his job.
I feel for him in a small way. His remit of reassuring the financial sector and maintaining confidence that the Govt has a plan was both a) pointless as Davis trying to do that and b) impossible as there isn't a plan, at least not one to satisfy the confidence of the groups he'd been tasked with...