I saw the clip and saw Clapton in a pair of jeans a faded t shirt and a three day beard. To me that's no big deal, he looks comfortable and he's Clapton!
This reminds me of an old baseball story: A hot-shot rookie pitcher is on the mound, facing the great Rogers Hornsby at the plate. After 3 straight ball calls, the young pitcher starts to cop attitude with the umpire. The umpire says, "Young man, when you throw a strike, Mr. Hornsby will let you know!"
Eric Clapton, & others of his stature, can "get away with" certain things just because of their stature. They've earned that from their careers. Often, somebody will say that <famous artist> could never "make it" today. That may or may not be true, but nobody will ever know for sure. However, Eric Clapton did not just suddenly "appear" in his current form. He worked hard for decades, starting when he was a very young man. It's a common myth in all forms of entertainment that all somebody needs to do is "be discovered" & everything will just fall into place.
Reality is considerably different. A young, unknown "Eric Clapton" today would still have to work hard at his craft & pay attention to all aspects of his performance, just like the real Eric Clapton did when he was young. There's a lot more to it than just being "talented". How you look & act are important parts of the total package. Taking care of everything that you possibly can improves your chances, but there's still a strong element of luck. I've known hundreds of enormously talented players who never have, & probably never will, "make it". The very "best" player ever may very well never be heard outside of a basement or garage somewhere.
Eric Clapton has earned his right to show up in jeans, a faded T-shirt and a 3-day beard. I'm no Eric Clapton, & I seriously doubt that anybody else on this forum is, either. When (if) I get to that point, I'll show up in pajamas if that's comfortable. Until then, it's a big mistake for me to think that I can do whatever <big star> does, just because they can do it.
JM