Pretty much. If Sun had made a decent plugin instead of expecting every browser to roll their own VM, and if AWT had been a lot less buggy, it could have worked.

A unfathomable clusterfuck of module systems, transpilers, shit build tools and IDE support, crazy syntax gotchas, unholy and inconsistent exception handling systems.

Amen. It's ridiculous how many millions of engineer-hours have been spent trying to turn JS into a usable environment.