Does it matter if it is overkill as long as it doesn’t slow you down too much.

I love it

Is a great reason to learn and use a language

which I hate

Is a great reason to avoid using it.

If you don’t enjoy the tools you use them you are going to be far less motivated to work on things. Which will kill off a lot of projects.

There are something that TS is better at, but there are also a lot of things that rust is better at. Each languages haves different strengths and weaknesses. IMO both rust and TS are both fine general purpose languages to learn. Personally I would pick rust for most things though and would definitely favour it if I could only learn one language.