I think its very straightforward to blame the US for the state of Afghanistan today, but the fleeing president had failed to collect any allies in the region, failed to get any formidable resistance to the taliban, and allowed warlords to spend US money lavishly on their homes and close compatriots. Ghani’s children benefited from immense nepotism by living in America working for thinktanks or going to university for phds, meanwhile taliban leaders planned suicide bombings involving their own children. They simply wanted it more.