There are bottlenecks, sure. Some of this, I think, is down to the scheduling. On Friday night, late on, there was a choice of Fontaines DC, Jamie XX, Idles, Jungle...as well as Dua Lipa. This spread the crowd quite well.
On Sunday afternoon, Shania Twain finished at 5 on the Pyramid and Avril...
Yes, ITV focussed on the chain drop immediately after the stage had finished.
Unlike you I have always loved Cav. And I love him more and more every year.