Why they move to Asia.

Because:

.most are unemployable and rejectees back home, their own country doesn't like them
.most can't find a woman back home not even a 100 year old one
.drinking problems and some have drugs problems and anger problems
.they think they are victims of the world
.They think they are going to be more important in China.Asia

These same tired insults being trotted out again? Where are Chinese people fed this script from?

I am usually the first to get frustrated and disgusted with my fellow foreign teachers, but even I must say that these things are only rarely true.

People go abroad to teach for adventure, to earn money and to expand their horizons. Just like all foreign workers, all over the world, in all the history of the world!!!! Stop repeating your inaccuracies, you really sound so ignorant.