I mean by useless is it's so slow you can't make games or even big projects for GUI, only you can do is AI/ML, Data Science, and basic stuff. I think Rust is better because of its speed and language capabilities?
Python is the 2nd best language for any task.
You can learn niche langs for specific cases. Go for it.
Me, a python dev, will find an API to your subroutines.
PS. import antigravity