Terminator Salvation question?

arnold was in it (computerised) i was outraged, they didnt use the old john connor, what happened to sarah connor and why the **** did they say how they escaped the bunker, NO they had use shitty christian bale and just say its the end of the world lets blow **** up, the only thing i like was the moto terminators THERES NO POINT OF THE FILM they made as it was a way of making money