It is likely not THE costume they will use, just a quick mock up. They have time.
And wow....what an ageist thing to say: he'll automatically mess up because he's 70? Think of all the people we see live, 8 shows a week, doing just fine: Angela Lansbury and all the women that have been playing Bethe (all in their mid to late 60s)
Sheesh. The man is a professional, through and through, I think he's earned respect.
If we're not having fun, then why are we doing it?
These are DISCUSSION boards, not mutual admiration boards. Discussion only occurs when we are willing to hear what others are thinking, regardless of whether it is alignment to our own thoughts.