Be proud of the young ones, they're doing just fine. As Nigel say, it's a great performance.

Thinking about it, in my early teens, lots of youngsters would like to play like Stones, Beatles, Animals and so on.
Our grandparents and 'older' people was not too happy with our long hair and what they did call 'noisy and far too loud' music.
But we grew up, and many of that generation play jazz ...