[smallpaul]

We're talking about the user interface to computational machines. There is no abstract "right" or "wrong" and no context-insensitive "practical" or "impractical."

He wanted to do a course about robots, and according to him, the interface to the robots was Python, which was otherwise an adequate language.

If you want to make a case to the contrary, it should be rooted in the specifics of the situation.