I would be impressed ... And curious how he fit down a 12" pipe ... And wonder how he planned to open the door on the wood stove
Not everyone can grow a full beard. Perhaps he does not have the facial hair capable of growing a full beard. I happen to be of those that can, so I do, but my wife won't let me grow a ZZ top type beard.
He said in one interview with Howard Stern because he didn't have one he is able to keep some sense of anonymity. I suspect there maybe more to it. Such as he either doesn't care for the style or it just gets in the way. Not only drumming but also in ranching.