Personally I was quite skeptical about the climatic argument on my last experience on a trip from LGW to INN. BA was full so also ended up on EZY. My family was traveling from FRA to INN on a small OS Fokker airplane with roughly the same arrival time as me. They got to land, while we had a go around and were diverted to Munich after two landing attempts. I think the pilot was simply inexperienced, and once in Munich rather than to take us back they just chose the cheapest option of the coach to get us back to INN. Indeed EU law won't kick in, and indeed I'm happy they consider safety, but hey, when other airlines manage to land, I don't buy the 'extraordinary circumstances' argument.