I’d make the guess that a lot of family members that would have been offended because they served or at least remember experiencing WW2 are no longer around Ref. It’s easier to disregard an opinion of someone as an “outsider”, even younger family members. But I’d guess that excluding grandpa/Grandma would be a lot harder when they tell you in vivid detail exactly why they fought what you’re voting to have.
No idea what the quote is from or if it’s true, a reverse image search led me to this as the oldest reference talking about online censorship.