Zulfiqar, one more here
The analogy is of a traitor. Any Bangladeshi who sides with Pakistanis over Bangladeshis is a traitor.
The war of liberation of Bangladesh was a righteous war against a genocidal Pakistani Army. The lines are clear. Muslim or non-Muslim angles work on gullible fools. Bangladeshis are
not as communal as Pakistanis to whom the lives of Hindu Pakistanis means less than Muslim Pakistanis.
Iran has tons of issues with Pakistan as well with Iranian forces regularly firing across the Pakistani border and killing Pakistani citizens on occasion as well.