and if they were real english teachers why cant they get good job in professional universities or related field.
If you actually knew a damned thing about Poland, you'd know that university life is poorly paid in Poland and you can earn far more elsewhere.
who in their right mind would consider moving to Poland?
I dunno, for me, living here has lots of advantages. I can drive to Croatia on holiday, I can visit Berlin whenever I want (without having to live there), I can visit other places, you can do everything here (ski, sail, etc) - hard not to like. Sure, I could move to Switzerland and earn an insane amount of money per hour (100CHF being perfectly normal) as a teacher, but ... I can't imagine living with all the Swiss rules and customs.
As for the weather, no rain for 3 weeks, what's not to like?