Instead of talking about what ifs, why don’t you have a look at what has been. Pre-Soviet Afghanistan is truely worlds apart from anything you’d now connect with living in Afghanistan. If you so desperately want the afghans to be at fault for their demise, how did that happen?
Close relatives of mine try to reform and expand Kandahar university clinic and med school, they all have built a comfortable living abroad, they owe that to no one. Of course, there are more than enough elements in Afghanistan that have contributed to their collective fate, profited and now hinder progress. I’m not here to defend them, i despise them. But that’s nothing different to any other country, they just have wayyy more destruction and suffering to foster and grow. Germany just needed a few decades of, in comparison laughable, economic mismanagement, for new politicians talking about gas chambers[0] to emerge. Let’s not act like that’s a uniquely afghan reaction to misery of any sort. Still horrible from all perspectives, no denying that.
[0] https://www.welt.de/politik/deutschland/article206589067/AfD...