I'm sure they're devastated at missing out on the opportunity of working with you.
Beggars can't be choosers. There are way more people that want to write ethical freedom respecting code than there are people willing to pay for it. If I had an option to write Rust for a megacorp to fuck over customers or write C for the betterment of humanity you can be sure I'd go with the later.
Damn the meme is strong.
You do understand that you are not required to answer?
And Common Lisp is better than Rust. What's your point?