My wife reads the fine print. I often gloss over it, preferring to wait for bridges to appear before crossing them. That is the right attitude. Ryanair had all kinds of warnings about baggage wait, baggage size, blah blah blah.
I think SD Paul is trying to troll/get people in trouble at the gate.
While RyanAir doesn't always weigh your luggage or follow all their fine print, they certainly CAN. In one particularly stupid morning for me flying out of Baden-Baden, my bag was a kilo over and I was told I would have to lose the weight or check the bag (threw out some toiletries and put a couple things in my husband's bag which had been .5 kilos underweight). I also somehow missed my printed boarding pass (but not my husband's) so I had to pay the boarding pass printing fee which by the way was about double the cost of my flight to Thessaloniki.
I've also done the shoving my messenger bag or sometimes even my PURSE into my carryon with EasyJet flights. They are strict about that one piece rule.
It always behooves you to follow the fine print rules when flying low budget carriers because otherwise the trip can quickly become not so low-budget!
I am just fine with all the budget airlines I've used regularly - Euro/German Wings (nicest probably), Easy Jet, RyanAir... when you follow the rules you get amazingly cheap flights. That's all that matters. I went to Venice for 34 euro round trip. Can't beat it.