Lobbying is easy: "we'll give you free first class flights if you don't pass any laws against us"

Cause somehow we've been convinced that if something somehow works once, in one specific scenario - then it must in its entirety be ok for all eternity

(as long as it makes money of course lol)

Easy: doing so would cost too much money, for not enough profit gain.

Aka, there isn't enough competition between airlines