Re: Height of hatred in Indians towards Pakistanis..
Then situation will remain same. Since Indian society is very hierarchical, it looks at the world through similar window. In that perspective Pakistan has its place. If you wish for good treatment you have to take unilateral hard decisions.
In similar likelihood, it is possible that India might ban all Pakistanis.
Osama wasn’t on Visa in Pakistan so agent and terrorist will find their way with or without visa anyway.