It's primarily some mental blocker in the old that prevents them from connecting things online to their real-life counterparts. It's like being illiterate and insisting that no one else can read those strange symbols. I'll offer in advance that younger people need to learn to separate the two sometimes.
Or they (some at least) might have a better frame of reference and “the young” people simple don’t know and can’t comprehend what they are losing. My interpretation is on no way less generous than yours.