The reason your posts in this thread are so irritating is because TS has all the same junk people hate about JS. You say things like JS is "deeply problematic" and "full of pot holes and weirdness" but you don't address how TS has fixed any of these problems. (Hint: it hasn't. Fixing the language is totally beyond the scope of TS).

Typescript provides concrete benefits. Maybe it also provide some benefits that aren't so concrete, like encouraging developers to think about how they're representing data earlier rather than later. But it doesn't "fix the language".