You wrote and I quote “bar a couple of stages, the distance is not a problem at all”
Of course much bigger distances inhibits getting around and seeing the acts you want to.
You seem to see it as some sort of criticism of Glastonbury and a slight. It’s not, I think Glastonbury is amazing - it’s just an observation.
As things stood, at the point the change was made and when it was discussed, this (as much as we can garner from the outside) looked to be tax neutral.
The budget has subsequently changed the rules, with effect from April 2026. So assuming Michael lives that long then yes, this move should save a certain amount of inheritance tax on any land owned. If he doesn't, then it's still going to be tax neutral.
The question now would be whether the Eavii had a heads up this was coming - the changes certainly took a lot of people by surprise.