Yes, that is one of the facets in regards to this issue. And what is more: if someone [like me] already invested time and effort in color tweaking of other frequently used pieces software, the willing to tweak the whole OS in order to get to a particular application is also subdued [REQUEST: Night mode button - #8 by Zerow]
And the second obvious conclusion would be: aside from this one very limited option [Tools > Options > General > Display grid lines at file view] Mp3tag does allow the user for any changes in regards to colors. And some users have problems with that [that you cannot see the selection clear enough or have to make a choice if you prefer a clear selection but with the list looking unclear]