Football is smart and fair enough to punish your mistakes. Simple as that.
I will back him all the way but he should be smart enough not to put his reputation and job in hands of these players. It his fault that after a woeful display against Brighton he again starts with players like Shaw, Fred, Rashford, and Bruno. I would rather play with kids than give them a starting stop after the opening day fiasco no matter who they are.
Also, I thought that we finally get a manager who will get rid of De Gea and Maguire from starting lineup as they are nowhere near fit for his style of play, but obviously, they are somehow seen as valuable assets from the club's hierarchy and/or they are so influential in the dressing room not to start a game when available, or ETH is just not brave enough. You simply can not implement a build-up from the back with De Gea in your goal, a high defensive line with Maguire or an aggressive press in the opponents half with Rashford - punishment will arrive sooner than you expect.
If reports are true that he was against Rangnick staying as a consultant he may well regret it. It's time to fans to support him because problems that are here for ages can't just be solved overnight. These players ruined the reputation of some world-class coaches and club legend in Ole and they should be shown the exit door sooner than the manager. Play with youngsters and stay with your philosophy, because once you stop believing in your own ideas you are a dead man walking.