>see videos of USA army march
>sunny Sunday today
>go for a walk in a park
>realise at my walking speed and rhythm that I've been mogging elite American Delta Force soldiers in my marching ability
>see children walking
>they're mogging US Navy Seals
>see an old woman walking
>she's mogging Lieutenant Jablonski

>>507466250 (OP)
they're marching at a certain cadence, if you are trained to march at that cadence it's easy to read and see them doing it
TLDR they're deliberately walking to a metronome