Apparently, some people in the UK are not sophisticated enough to understand that "you" and "one" are often interchangeable in other English-speaking parts of the world.

"Two countries separated by a common language" - GBS

It cuts both ways Joe. Intelligence is no defence, but we can exclude one & you from falling pray (sic). Yea, Yea, but before I don my coat:

Can anyone stateside elucidate the real implication of using the epithet .................

"Have a nice day"   ?