The meter is defined by the distance light travels in a specific fraction of a second. It may have been initially defined by a rough estimate but it (and all metric measurements) are now fixed to universal constants.

Also the foot is currently defined exclusively as 0.3048 meters, so you are already using metric.

Of course, “always cheaper” in this case means less money up front, but much, much expensive more down the road than the initial cost.

Of course, the down the road cost isn’t usually that visibly connected to the “make it illegal” plan, so conservative governments love it.

“Most consumers want fast food companies to label when sawdust has been added to food - but trust restaurants less when they do.”