so much for
Meaning
so much for
(idiomatic) An expression of dismissiveness, disappointment, disregard, or resignation; something said upon rejecting, giving up on, quitting, or disposing of something.
For years, Volkswagen cars were designed to cheat on emissions tests. So much for "German engineering".
Well, I guess it'll never work. So much for that idea.
Examples
It is not so much for its beauty that the forest makes a claim upon men's hearts, as for that subtle something, that quality of air that emanation from old trees, that so wonderfully changes and renews a weary spirit.
All the big powers...they've silenced me. So much for free speech and choice on this fundamental human right.
If at first you don't succeed... so much for skydiving.
We love people not so much for the good they've done us, as for the good we've done them.
He avoids the official "heroes'" cemetery, done in such impeccable taste. (Why, he wonders, do the Germans do so much for their dead and so little for the living?)
It's because I'm alone.. If I could just feel it, it would be different, because I would not be alone. But if I were not alone, everybody would know it. And he could do so much for me, and then I would not be alone. Then I could be all right alone.