The “TESL teacher” has unkindly acquired the reputation for being someone who (a) has no idea what they really want to do and (b) looking for job anywhere but home.
I’m taking the opposite approach by (a) knowing exactly what I want to do (one of these days I’ll tell you) and (b) wanting to work where I am right now (you get to keep hold of your green card that way).
Teaching English to furriners fits perfectly with what I want to achieve professionally in the United States. One small issue is that when you teach English in America, you are expected to teach American English. Which is a little inconvenient for an immigrant like me.