Yes-Biden did screw up Afghan withdrawal

Inspector general for Afghanistan reconstruction,January 2021, warned Biden that the Afghan air force would quickly collapse. 

Navy Rear Adm. Peter Vasely, the top U.S. commander on the ground during evacuation: Would have been more orderly evacuation if Biden had paid attention to the indicators of what was happening on the ground.

https://www.washingtonpost.com/national-security/2022/02/08/afghanistan-evacuation-investigation/

https://moxlosllc.blogspot.com/2021/12/brandons-bidens-afghan-fups-contd.html