There is also lots of fields where Python performance isn’t the bottleneck. In my backend web application, Python isnt holding us back and actually help us deliver features faster. And we can scale to much more clients before performance starts being an issue.

My last project was a legacy Django web app, that actually worked fairly well, the problem was the shitty codebase but it was in Production for almost 10 years, thousands of users and everything worked

I do agree with you on performance, but what makes python unsuitable where security is important?

there can also ne inertia for existing projects though. for example it can be tough to get more research-y work (eg grad students) to switch over from r/python/Matlab for data processing in favor of c/rust