Or maybe they should actually consider which of their own life experiences are appropriate to certain characters.
After all, if I were to turn your own strawman arguments against you, then all the writers of your favorite comics would be perfectly entitled to completely derail 20 years of continuity, including stories that YOU enjoy, just to work out their own issues on the printed page.
For someone who gets all het up about other people's absolutism, you resort to plenty of it yourself in your own arguments.