ETH main issue is he's been building a team that is not for EPL. Hojlund, Antony, Amrabat just can't match this league physicality (in Hojlund case I'm just worried defenders on this level will be able to handle his physique, and he has nothing else). On top of that the system that is very, very difficult and RISKY to play if your team is not elite on the ball.
He needs to go back to basics imo and then think how can this be improved step by step. Rotate Casemiro and Mainoo, use Mount as actual b2b midfielder, stop shifting Bruno, make better use of fullbacks (Dalot RW?) if wingers are having a poor game, and at least increase the number of balls Hojlund can actually attack in the box. Would be nice to see some guys coming back from injuries soon.
And for feck sake play Varane if you're not going to build from the back anyway.