It would be similar hell in for example Matlab or C/C++ if install of external packages were made so easy.
Some systems that are designed more with the concept of maintenance challenges (Windows and others) make it possible to have different versions installed simultaneously.
The need for the whole venv thing fundamentally underscores the problem. How many versions of libc do you have installed simultaneously? (docker users pls don't respond)
No they allow admins to decide that. Users have no control. User activity is fully public and cannot be controlled for safety.