Peter Zeihan has been constantly wrong lol. Does anybody take him seriously? He said that China would collapse in 2005, https://www.bizjournals.com/houston/stories/2005/02/21/newscolumn1.html, and then in 2010 said they would collapse in 10 years.
Why would the Talibs remove TTP when they can be used against Pakistan as proxies? The Talibs also said they wouldn't allow Al-Qaeda but they lied about that too. Every single Afghan government becomes anti-Pakistan eventually, whether it's the Communists, Monarchists, Nationalists or Islamists.
I don't even think it's possible now. Where will the money come from especially considering Pak will have to fight the Afghan Taliban too in such a scenario? The best chance was when Ghani fell and no one was on the border. Pak state completely powerless against TTP (haven't managed to bring...
Military should obviously be blamed. But IK lobbied for their handlers internationally. IK also promoted Pak-Afghan bhai bhai BS and sent millions in aid to them. Also used propaganda on Pak citizens to make them more sympathetic towards TTP and other terrorists by using religion in politics.
The solution is a permanent Turkish-style occupation of Eastern Afghanistan and the solidifying of the Pak-Afghan border. Long term goals should be the creation of Khorasan and containment of Afghan tribalists.
Bangladesh was just impossible to defend. The simple answer is geography. India surrounds Bangladesh on 3 sides and it's all flat plains, basically a nightmare to defend, and to add to that, they had a 10:1 manpower advantage in the East and complete air, naval and logistics dominance.
Pakistan doesn't have the economy nor manpower nor resources to take on India, Afghanistan and Iran all by itself. It's like asking why the Poles have American bases in their country, because if they didn't, then they'd have to have 10% of their GDP in military spending to deter Russia.