If our owner is telling the truth (if you can't trust a Saudi Prince, who can you trust?) then Wilder told him he didn't believe he could turn this around and offered his resignation. If that's true, he should have accepted his resignation and got a new manager in. Instead, he claims he persuaded the manager to stay, then promised to back him in the January transfer window, then went back on that promise (seemingly not the only thing he reneged on). And now, after Wilder has quit/been sacked/whatever, we're supposedly identifying as his replacement somebody we cannot get a work permit for.
I'd say there is plenty of blame to go around here.