> The users don't care if you wrote it in C++ or fortran Web site users don't care if a site's written with NodeJS or assembly; but that would make a huge diff

> The users don't care if you wrote it in C++ or fortran Web site users don't care if a site's written with NodeJS or assembly; but that would make a huge difference to bugginess, development speed, feature set, etc. Firefox is getting bogged-down in some areas due to its C++ codebase; especially trying to introduce concurrency (in a way which doesn't break everything, or cause unforeseen security implications, which is often the case in C/C++)