I didn't say sack him tomorrow. Meanwhile yes I would want him sacked at the end of the season if we are at the same spot as we were last season, barely scrapping top 4 while playing godawful football.
He hasn't done anything more than the previous managers (they all finished top 4, won domestic cups while playing shit football) for us to pretend he should be treated any different if he ends up with the same results as them.
As for who replaces him, I swear this argument is said every time we say the manager sucks (there's no other one around so let's stick with him). Is that the best argument you can master to keep him in the job, regardless of wanting him to leave now or not?