I don't indulge in sectarianism but there are hard facts:
one sect benefitted from US in Afghanistan (northern alliance).
one sect benefitted in Syria war and killed majority
one sect benefitted in Iraq and killed minority
Now the same sect is crying
The problem is afghans have no real concept of nationalism, national pride or patriotisms. They are more used to tribal and clan culture and Afghanistan topography gives rise to this. Areas and valleys are isolated from each other through high mountains with very poor road network and many roads closed in winters. This is also why it is very hard to invade and then control it. A small group can take control of one road in a narrow mountain pass and literally block off a large part of the country, hindering supply and movement.
They are more loyal to their tribe or sardar than to something called Afghanistan thats why its always been very difficult for one central govt to control the whole country.
Taliban became somewhat successful in creating a govt in large part of the country because they sold the religion kool aid to the people and thats what united them and gave the taliban support in the beginning. Many regretted it later. And those who were around to last time the taleban were in power are the ones now opposing them.
