In my opinion in 100 years it will be viewed as genital mutilation as it's done to children without consent for basically no reason at all. But by then it will be purely an elective surgery adults get so they feel their dick looks prettier, so whatever.
Pretty far from the biggest problem of our age. Maybe don't stress about it.
It's a suspicion based on the second point and that our brains naturally want to dream to rehash our day for memory purposes, particularly during REM, though of course there are other types of dreams & timing too. But the mid term memory storage stops working the same.