> I've been told time and time again, that no matter how good an idea you have to change C++; your idea must achieve something that isn't already possible, otherwise it isn't worth the time, effort, grief and hassle of writing it into the Standard and having the compiler vendors implement it.

It doesn't have need to achieve something isn't already possible in the way you describe it.

1. It must solve a real problem
2. It must be better than the alternative