Comment by pm90

Python has many issues that are quite clear when you operate at some kind of scale and need proper multiprocessing/multithreading support. And its not just the GIL, you get very unexpected behaviors when dealing with exit handlers and signal handlers in edge cases. Having seen what other languages look like it just doesn’t feel like a language that was designed well for running at scale.

The tooling has markedly improved though. Things like typing and compile time checks, great. But its also funny to me that some of the fastest tools for python are being built in rust (eg uv).