Growing older and less inhibited?

Old people aren't rude, just uninhibited:

This could explain a lot.

"...old people may not intend to be rude: in fact, age-related changes in brain function may explain their lack of tact... Tests carried out by researchers found that people aged 65 to 93 years were more likely to ask each other personal questions in a public setting than younger people aged 18 to 25...The ability to inhibit thoughts and actions is critical for socially appropriate discourse but that ability appears to weaken due to changes in brain function related to the normal ageing process..."