This logic also works on computers. Or, well, anything. You'd be surprised at just how useful people can find things while still making a mess of them.
So, yes, if you have the time, learn the internals. But no, that is not in any way a prerequisite. Nor should it be.
> You'd be surprised at just how useful people can find things while still making a mess of them.
You mean like this? http://www.thisiscolossal.com/2017/12/tatsuo-horiuchi-excel-...
You don't give python advice to a C++ developer, regardless of how much you'd like C++ to be like python.