If you've lost the dressing room, as it appears he had, then you may as well relieve the tension and get shot of him now
Having said that, if you're being paid thousands of pounds a week to play football, you should do it with a professional attitude and if you don't like the manager, hand in a transfer request. Playing with no attitude or passion just lets down the paying supporters who earn less in a year then you do in a week
Juan Mata must wonder if he's gone from the frying pan to the fire, poor sod!
Incidently, anyone heard from Rich this morning??