Comment by anovikov

Well, problem here is that airlines are under control of national regulatory agencies while flying internationally. Sure, a mandate of say, drastically improving comfort levels by making something like an old-style business class seat (38" pitch recliner, 4 abreast in a narrowbody) the absolute allowed minimum - could work: it will make passengers happier, reduce air rage, and lift prices to the level that somewhat curbs overtourism. But it's impossible to introduce because if one nation does so it will simply make their airlines uncompetitive abroad.