Cadence could be ok, but the avatars really should be the display for cadence of other riders. If you’re trying to match a rider near you the metric you need is watts and w/kg–the same power can be had using different gears and cadence and if cadence were a number you might be tempted to pedal in a style different from yours, or worse, get confused that you are falling behind/getting ahead “using the same cadence”
to clarify: I think the movement of the avatars’ legs is the ideal display of other riders’ cadence.