More like Guilds - and part of the reason they're eating it now is that they've been functioning like a Guild, just like the (sell out) auto and iron worker unions did. As long as their own nests were feathered, they not only didn't care about the other unions, they joined in the Republican decades long project to disenfranchise and undermine them. Where were the pilots when PATCO was trashed? Along with the mechanics, they crossed the lines.