Nope, it's a genuine proposal from Jacob Rees-Mogg's department.
Leaving aside that, in his mid-fifties, Mogg is probably too young to have learned imperial units at school ...
Isn't that the point? It'll be familiar to older people, thus proving how they're super to today's youth. (/s)
That was also my first thought. I see only cost and no benefit. Except maybe when you have a cargo cult mindset and think that returning these measures will return Britain‘s glory.
Can anyone name one benefit?