Originally Posted by MrAndy1369

I think they do experiments domestically because most of domestic F consists of either buy-ups at relatively low cash amounts and/or upgraders, so they have more room to "play around" and see results of what passengers like and don't like. Their rationale is that most people are getting upgraded to F for free, thus they don't really have "room" to complain.

International premium cabins get more true paid fares, so more likely for passengers to complain about a meal they don't like. Therefore, they probably play it safe on int'l routes and provide traditional meals so people won't complain as much.