Depends what trade you're in I suppose. I don't suppose anyone involved in graphic design uses inches. Except Americans, who prattle on about five-sixteenths of an inch bleed while the rest of the world laughs at them.
You may be joking but I'm reminded of Jeffery Archer complaining over the weekend about the 2m social distance. Because we've left the EU he thinks it should be changed to something a bit more Imperial.
Dear sweet lord.
And mainly, it will be the generations behind mine that will have to pick up the bill; ironically, the generations that least wanted him and his kind anywhere near power.