Yes, why not. If he can't get the England team to play well, who can?
I think the best thing to do is to get rid of all of the players. However I have the feeling that somehow Capello will be demonised, the players will remain blame free and we'll be left trying to fill a job that no-one wants.
At least Capello wants to keep the job. The only way a decent manager would take on the position is if there are HUGE volumes of cash paid. Just like they had to do to get Capello in in the first place.
The problem I fear, runs far deeper than the manager and the FA need to take some responsibility too. Hopefully this World Cup fiasco will see a huge reform in English football and we will emerge from this stronger and better as a result.