1. Sturgeon's Law is not actually a law.
2. Not only are Sturgeon's percentages more or less arbitrary, there are only two categories, good and crud
3. If you simply add more reasonable categories, such as great art, excellent, mediocre, subpar and crud, it immediately becomes obvious that reboots/remakes/reimaginings are rather deficient in great and excellent, and rather abundant in subpar and crud.
4. This kind of modal difference in distribution of quality is also a modal difference due to the category of drama as such.