He meant the numbers representing downrange trajectory are smaller, not that the incremental adjustment (click value) is smaller.
1000yrd drop for my Dasher is 8.1mils, which is a smaller number than 28.0moa. We saw Nature Boy's turrets side by side, and it's pretty clear how much bigger the numbers get when we count trajectory in MOA instead of mRad. No so dissimilar, as a selling point, I marketed most of the quarter horses I ever sold from our ranch as "16 hands" (when they were, even if they had to stand on a stool to get there), with 1 hand = 4". It would translate more easily to more folks to just say 5ft 4", but that's not how horses are measured, and 16 hands sure sounds tall when we're talking about horses, while when you say 5'4", I picture my petite wife and suddenly think it's short.
For field expedient solutions, I know I'm at ~1.5mils at 400yrds (1.7 actual), then from 400 to 800, I add ~1mil per 100yrds, then I add an extra half mil at 900, standard 1 mil/100yrds to get to 1000, then add an extra 1/2 again to get to 11, then add another extra half to get to 1200. I won't be wrong by more than 2 clicks anywhere on the way out, and I can interpolate pretty easily if I have a target at 1145yrds, that's almost halfway between 1100 and 1200, to get to 1100, I start counting on my thumb at 1.5, when I get to my other thumb, I add an extra half, 1.5, 2.5, 3.5, 4.5, 5.5 - thumb = 7 (which is 900yrds), 8 is 1000, 1100 is 9.5, and 12o0 is another 1.5, half of that is ~0.7, 9.5 + 0.7 = 10.2... My calculator says it should be 10.3, so just counting on my thumbs I can get within 4" at 1147yrds
MOA isnt THAT much worse, but it's worse - MOA starts at 3.25moa at 300, 5.75 at 400, 8.75 at 500, 11.75 at 600, 15.25 at 700, 19.0 at 800, 23.25 at 900, 28.0 at 1000, 33.0 at 1100, and 38.5 at 1200. So maybe I can cheat a little and accept a little error, 3 at 300, 6, 9, 12 gets me to 600, even 15 would get me to 700 within 1 click, then add an extra MOA so it's 4moa per 100 from 700 to 1000, and 5moa per 100 from 1000 to 1200. So if I'm shooting that 1147, I start on my thumb again at 6moa, but have to add an extra MOA at my pinky, counting 6, 9, 12, 15, 19 on my left hand which ends at 800yrds, then +4 = 23 starts my right hand at 900, then start with adding 5moa, so my right hand counts 23, 28, 33 and 38, so ~1/2 way between 33 and 38 is 35.5, which is what my calculator says I should dial for 1147...
Both memory devices work for quick counting estimated trajectory on my fingers, but because MOA are smaller units, we cross over more "skip" increments, so we have more exceptions to remember. For mils, I remember 1 and half, and 900 and 11oo, but for MOA, I have to remember 3, 4, and 5, and 700, 1000, and 1100. It's not more difficult, it's just "more," meaning "more" to remember, and "more" to forget.
I am not saying they are not metric/SI, I am say they greatly predate the metric system
Ok... and the importance of that is....what?
The length unit "foot" predates the establishment of the Imperial System of units by over 4000 years...
