Returning to the state of the aircraft(especialy the 732)
When I was working for Britannia at MAN all night stopping a/c were washed especially at the rear where the reverse exhaust impinged on the fuselage. Cheap fares is no excuse for cheap service and scruffy a/c.
I have no particular axe to grind. I would say the same for any airline. Low cost or otherwise. Does a badly presented product give the wrong impression to all their clients? I would say it certainly does, and it deters them from using them in the future.