It sure is great in the States, 14 x 9 x 22 inch carry ons which cause no problem whatsoever. Ram them in the overhead bins and they don't move until you drag them out. United did a great thing when they changed the overhead bins to let you put them in lengthways.
It's the little bags of duty free whisky which fall out on people's heads in turbulence - and passengers who don't wear their seatbelts. They should be shot, together with people who try to get more than one 14 x 9 x 22 inch bag on and delay the departure.
Ryanair are just making money in their special little way.