Why does the Pakistani Gov allows the US to kill its citizens?

The question asked by the Foundation for Fundamental Rights (FFR) in its litigation filed in Peshawar last week – is Why does the Pakistan government allows the US to kill its citizens? – Clive Stafford Smith a director in the British Charity Reprieve ask this in his Op-ed in The Tribune titled Shoot the Drones

As a Britisher he tries to answer this for Pakistanis, but can we the Pakistani nation answer this for ourselves?