Just because 10000 companies are making some random webapps in python doesn't make the 10 local Python apps any less bothersome. This is literally what killed java for end-users.

Interestingly, Java has been improving lately in this regard, thanks to cloud and container use-cases. There was a big regression with Java 9, but since then it's been getting better with each release.

Numbers for "hello world" on my machine:

Java 7: 43 ms

Java 8: 29 ms

Java 11: 34 ms

Java 18: 22 ms

Python 2.7: 6 ms

Python 3.10: 12 ms

Perl 5: 1 ms