I think exactly like you, but about ADA, for a very long time compilers where closed-source, for crazy machines and additionally really expensive, the situation

I think exactly like you, but about ADA, for a very long time compilers where closed-source, for crazy machines and additionally really expensive, the situation for ADA is now much better, but it lost it's momentum then, but regains a bit of it in the past years, especially because of the rust hype ;)