This is confirmed because current authorities are not happy with his aggressive approach against India specially while he talks about not sending team to India for the world cup and now another thing gone against him with his new comments about Peshawar which create mess up and many other peoples also feeling not happy about his these comments and third reason Pakistan have first whitewash in their test cricket history which is also going against his poor policies even he was not engaged in pitches but mostly feeling things are not going good specially change of government is also having big impact.
Here I agreed with you this change could be not positive with this change because he is not the best administrator, just puppet for the many peoples those are involved in PCB and was feeling not good in presence of Ramiz Raja's presidency.
-Losing 2 back to back historic series
-Creating mediocre pitches for a majority of matches and making retarded excuses every time.
-Going in front of English media and complaining Pindi administrators were responsible for poor pitches and he didn't know anything.
But yeah his rant against BCCi was responsible for his removal, not Pak Gov-PCB politics.
If I understand correctly about Pakistan and PCB then there is no PCB politics because in last three decades we have PCB is one of the worst sports organization in ICC because they were one of the most powerful boards but due to inner politics they never achieve this again even losing their power and respect as well because mostly governments have their own peoples which have no enough knowledge and understanding of game which bring down them badly even all sports in Pakistan are going down in last few decades which is surely due to corruption and their inner politics now here in PCB things were looking better.
But, sudden change of government having their own agenda which is now going to create another drama even this could be for some time, but things could be reverse, and many positive things could be ignored by new management which is surely never been idea thing.
Ramiz Raja's strong comments against India was surely one of the main reason because Shahbaz Sharif and his brother former prime minister have personal links in India and these both not like things like these which were started by Ramiz Raja.