No wonder, America changed the IK regime. But, was it not after IK visited Russia after the Russia-Ukraine war started? His visit meant supporting Russia in the war.
The US had been against Imran Khan since even before he became PM. That's because he was the only politician who spoke out against US drone strikes killing Pakistani civilians. Sleepy Joe threw a tantrum and refused to talk to Imran Khan. Ironically, and deliciously, both KSA and UAE refused to take Sleepy Joe's phone call to increase oil production to balance out the Russian sanctions.
Khan's Russia visit itself was irrelevant. The missing piece of the plan that fell in place was the Pakistani establishment giving the green light to the American plan.