Unless I've missed a relevant post, no-one seems to be highlighting the accountability of the manager. It is MH's job to tell SWP to play on the wing, not that there's anyone to cross to at present. As for MR, he has only recently been returned to right back, where he should remain for the present.
In addition, in the modern game, players carry injuries, lose form [and then regain it] and can become outshone as the team they play for improves. Everyone is replacable, but usually only when a suitable replacement is available.
Until then, let's try to be positive. I will even grit my teeth and say that the manager is doing a good job in the circumstances. But then, if someone 'special' becomes available, say, in the summer...