Politicians at the time of partition were fools and sellouts to let colonialists draw lines and separate India. Indians, Pakistanis and Bangladeshis are one people. Unfortunately, these colonialists have left a mess for future generations to sort out, much like in other parts of the world.
Stop listening to politicians and TV stations in your respective countries. They are nothing but narcissists and self-serving hypocrites. We have a scourge of fundamentalism in every society, and country. Fortunately, they are a very small minority. This thread has basically descended into mine is bigger and better than yours in different and fancy words. Basically, everyone's shit smells, the difference is we get used to our own shit and ultimately smells less.