To a certain degree yes - but I also would like to say that the music is the most important thing.
I mean I love to see (as an example) Ken Hensley and he's certainly no youngster - but he delivers and that what's important! Same goes for the Stones, yep seniority kicking in but they still got it
Had a discussion about this theme on a another forum and a witty youngster (I believe?) delivered this one beneath here as an example on how it is to be "uncool when Rocking" at an old age;
ShannoN - Forever Now - From Circus of lost soulsNeedless to say I did disagree