A defense of the imperial measurement system [video]

Would like to point about, replacing the imperial system in the US will cost a lot of time and money

"E could 'a drawed me off a pint,' grumbled the old man as he settled down behind a glass. 'A 'alf litre ain't enough. It don't satisfy. And a 'ole litre's too much. It starts my bladder running. Let alone the price.'