Oh please! That’s so low and unpatriotic.
It has been 60 years since Pakistan came into formation and it’s sad to see people still insist of identifying themselves as Muhajir, rather than Pakistani. Mohammad Ali Jinnah himself declared himself Pakistani from the day Pakistan was formed.
This is very mentality that keeps MQM from being nationalized, they’re on an ethnic agenda rather than a national one.
Be a Pakistani! Join us 
I know you want to. You’re a Pakistani too, bro!
Put down your guard, you’re welcome to visit other provinces and you won’t be stopped at the airport. Well that’s also because rest of Pakistan is not run by a group, it’s maintained by political parties 