no it’s not a macro , he obviously crouches a lot but it’s not enough, fast and regular to be a macro.
you have only ~50 CC events below 140 ms and in the whole scope of 80ms to 140ms .
(over 140 ms events are removed), a human can repeat the same key at a 80 ms rate ( more or less) but not all the time, not with a perfect regularity, and only focusing on this action.