.. some of us still think in slugs and poundals, not to mention forces due to the flickering of a newt's whiskers, ergs, and so forth.
If disciplines ever end up with uniform units there will be no remaining mysteries nor any useful things to pontificate over a beer at the bar on Saturday night for old chaps.
Younger chaps can always find merit in the appearance of the young lady at the other end of the bar, of course ...