Glad I'm not the only one.
Look at it from the artist's perspective.
I did this thing a few years ago. I/we played really well. It went brilliantly. I really enjoyed it. Everyone there really enjoyed it. It was critically acclaimed.
Best not do that again, eh?
I’m not sure why all bets would be off against apparently solid intel. She’d drastically improve the current set of supposedly locked in headliners, but a gsh by itself doesn’t mean much, unless accompanied by a string of UK tour dates I guess. There’s no reason why she’d be a one and done, imo.