^^^ Yes..I think it's a great policy.
This is from the info for the tour....
"WHAT IF I WANT TO POST ON MY SOCIALS? We can help with that. Our tour photographer will post live photos and videos after every show at jackwhiteiii.com and on Instagram @officialjackwhite. Download content from the site or repost from Jacks IG. WHY ARE YOU DOING THIS & IS IT MANDATORY? We believe this creates a better experience for everyone & yes, its non-negotiable."
In my day...we held up stick matches.
