We're all in on TypeScript now and I don't think they're teaching Java much in university or boot camps anymore so it doesn't matter much anyway. But when every other intern came in thinking programming WAS Java.... Not great. Having to never utter "JavaScript" again wasn't the primary motivation to move to TS, but it is a nice side benefit.
NB: But I had an intern say to me one day "did you know TypeScript is just JavaScript with types and a linter?" And I just smiled.