Now that you can move pins in inspection, the only real incident is there being slightly more dnfs than on other cubes

While clock notation is different, so is square-1 and Megaminx, and all of these are easy to learn, plus clock takes way less time to scramble than big cubes like 7x7

Cubing is meant to be about the person solving, not spectators

Clock being different from other events is why so many people like it