You are are new here aren't you? Your ignorance of what's going on stands out like dog bollocks.
Those pilots that went off overseas took jobs at the going rate in that country, they did not under cut the locals to get those jobs.
I may be new here but I am not new to the industry.
Australian pilots going overseas to fly for low cost carriers did reduce the terms and conditions of legacy carriers in those countries. If you do not know this then I suggest that it is you whose ignorance stands out like dogs...