I don't think it matters if people write him off, he's just helped write himself off. He needs minutes on the pitch, regain match fitness, and work his way back into first team plans.
The management must be struggling to know what to do with him now. Off the pace, out of practice, and a loose cannon. Davies is now clearly our best next option, which leaves Wesley very short of opportunities going forward which will stunt his ability to get up to his best - whatever that is