Unless you are exposed to the languages, no one realistically knows how to pronounce them. I'm going to guess, however, that the real reason for dropping them

Unless you are exposed to the languages, no one realistically knows how to pronounce them. I'm going to guess, however, that the real reason for dropping them was due to typewriters (and later computers) that simply don't have them as an option. You can't print punctuation and letters that you simply don't have access to. ö, ø, å, æ and the like get dropped as well.