Well, as an ex- Runway Caravan Controller at Linton on Ouse in the late 70's early 80's, I had to blat off a red very in anger, on average, about once a month.
Multiply that by 2 (2 x RWC per day). Factor in 1 RWC when night flying.
Multiply that by the number of FTS's in the UK
Add the odd OCU guy who had a bad day.
Also the odd CR guy who similarly had a bad day.
Agreed, very few land without any gear problems. Little mates in the chequered Ice Cream van, alongside the piano keys, may have something to do with that.
Oh, and to the guys who did avoid the ultimate embarrassment, thanks for the beers afterwards. We appreciated that you appreciated.
Funny, no matter the technology, the mark 1 eyeball still has it's uses.