> Why not romanizating all the Japanese literature? Surely almost all the reasoning in favor of getting rid of Hanzi can also apply here?
The difference is that removing kanji from Japanese profoundly changes it, in that tons and tons of words that were previously distinct become indistinguishable. Hence people arguing about getting rid of kanji are arguing about the benefits of the language being easier to learn, vs. the drawbacks of having huge masses of distinct words that are all written the same way.
Whereas, using kana vs. romanization isn't really an important distinction. Nobody argues which is better because they're basically equivalent; anyone who knows one could learn the other in a matter of days or weeks.