I'll say this: the Ultimate Edition makes more sense. But at no point does the extra 30 minutes of runtime significantly improve it like the Snyder Cut did for Justice League. Unfortunately, it's only a better version of a dreadfully bad movie.
Whereas the theatrical cut of BvS was rushed and convoluted to the point of making no sense, the Ultimate Edition is merely just a stupid movie. We still see Bruce Wayne's parents buy the farm in flashback twice.…