OK - how about the ATC PPruners spread the word?
How about we trial, say ?a couple of months?, using the differentiators 'now' and 'when ready' - with any 'gates' you want us to achieve - for descent clearances in the UK? (Hoping your managers don't throw a 'wobbly' of course!).
Let's have a 'debrief' on how it went, here, then?
Over.