I never understood the fear around version conflicts.
With binary extension modules, version conflicts lead to (at best) runtime segfault and (at worst) subtle *data* bugs that return incorrect results. There are also deeper concerns around security and reproducibility.
Perhaps it has to do with
the decline of sys-admin skills over the years?
Many millions of users of new Python users show up every year, using the language and its powerful ecosystem for data analytics and scientific computing, and they have no hope of having sys-admin skills.
-Peter