GC is shit.

Why can't everyone just use C++ and C and throw away all GC-languages.

It's simple, just write all your applications in C++ and all your OSs in C and everything will be fast and beautiful.

Is there any place where using GC would actually benefit in any way? I think not.

So the people who care about optimizing memory are:
- performance matters
- CPU is bottleneck
- have to run on single core

This is clearly a minority.