If you’re using a manually managed venv, you need to remember to activate it, or to use the appropriate Python.

That really doesn’t seem like a big ask.

I’ve been using python professionally for like 10 years and package management hasn’t really been a big problem.

If you’re doing professional work, you should probably be using docker or something anyway. Working on the host machine is just asking for “it works on my machine what do you mean it doesn’t work in production?” issues.