Only complete idiots can be fooled into thinking that mBTC is better than BTC. It's the same goddamn thing.
Nu-uh, millimeters are much better than meters

Complete bullshit, you can't measure TiO2 particles in millimeters
Hail micrometers
µmYour micro-propaganda is disturbing. Next thing you'll say is there's a unit called say, let's pick an absurd phantasy name, Ångström.
What the hell is Ångström? Is this some Scandinavian god?
If you like it so much, then create it, define it, and make our units stupidly fight until the Sun explodes