If you take the time to read my original post you will see that it makes no reference whatsoever to legacy and low cost carriers in Europe or anywhere else.
US government policy in this case did not arise in a vacuum. It is a response to very strong and effective lobbying by the unions in defence of their members interests. They are perfectly right to do this.
Addressing issues actually made is usually conducive to a more productive debate than resorting to personal abuse. The amount of personal abuse used is usually inversely related to the validity of the arguments used.
I suspect that Arem's reference to irony relates to peoples' inability to see a contradiction in their own argument, in this case, "US pilots seeking work overseas good, Overseas pilots seeking work in US bad."