https://www.manchestereveningnews.co.uk/news/greater-manchester-news/manchester-airport-terminal-1-parking-14433966
They have had that for some time in Edinburgh. I think it is (or was) £1 to drop off. Never heard much about it really, apart from the initial gripe when it was introduced.
If the authorities at Man operated a zero tolerance policy for people getting picked up in the drop zone there wouldn't be an issue but hey ho another excuse to rake some cash in