Good question, dz.
It would depend on other factors, such as if one is getting other things done .
Learning Torah, having intellectual discussions, etc., is a great OUTLET for down time when the other goals have been crossed off from one’s “to do” list IMHO.
dz, your ?? ?????? ???? ???? thread makes posters look up psukim in Tanach, so you get zchuyos for that!
You have personally proven that one can be ??????? ?? ????? using the CR, and that would not be considered wasting time by any stretch of the imagination.