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Python is pretty much universally a bad choice for a backend. It's not even "easier" than other backend frameworks - Java Spring and dotnet are right there, and are specifically optimized for this use case.

If you want to build an app that's easy to maintain, Python is a bad choice because of it's dynamic typing and struggles around tooling. If you want to build an app that's performant enough to scale, Python is a bad choice because Python. If you want to build an app that will get you a website ASAP, Python is still not the best choice, because other languages have larger batteries-included frameworks.

In 2005, even PHP would have been a better choice and would probably still be performant enough to run today.

Today, the story is much worse. Python has use cases! Experimentation, anything science related, "throwaway" code. Applications is just not one of the use cases IMO.