You know PTI did not have any majority to form Gov with 155seats, it was MQM and PML-Q that made it possible
Do you get this?
If either one broke alliance PTI Gov could not survive and this is what happened
No great work or intrigue was required
RTS system went down suddenly for a reason. That's how Kh. Asif won his seat. Otherwise PTI would have gotten at least a simple majority. However, they knew that IK is heady and therefore needed and leash.