Bad behaviour on Ryanair flights increasing as worst destination revealedEurope's largest airline has seen a "notable rise" in bad behaviour caused by drunken and drugged behaviour, which has become the biggest issue cabin crew are dealing with.
Source: Bad behaviour on Ryanair flights increasing as worst destination revealed (https://news.sky.com/story/increase-in-passengers-behaving-badly-due-to-drugs-and-alcohol-as-ryanair-says-price-falls-to-continue-13204214)