[fragmede]

For the purposes of saying which spin there are more of (and we have observed a slight preference for one), we'd need to agree on which one is cw and which way is ccw. The slight bias is for ccw, as viewed from out planets North Pole, though it's not known if this is merely an observation bias or pervasive.

[Mkengine]

They are asking whether the distribution of the direction of rotation of all rotating celestial bodies is equally distributed, for this it is irrelevant which direction of rotation is designated and how.