Yes
I can't agree more with your first statement, 5 politically and culturally diverse regions have been forged to form Pakistan, I read this in some British authors book(he had something to do with partition), also, Churchill remarked that these people ( Indians, Pakistanese and Bangladeshis...
Should there be a war, Pakistan shall be dragged into it, inadvertently, China shall use Pakistani bases and ports, India has no other option but to attack the bases and ports, Pakistan then shall have enough reason.