“Flat-out we were out-coached, we did a bad job preparing, we clearly didn’t do a good job and that starts with the head coach.”

Source: https://www.bostonherald.com/2023/09/22/duxbury-rolls-over-franklin-42-13/

So, yes you were out-coached, and yes you as the HC should have taken responsibility for the loss.

Source: https://profootballtalk.nbcsports.com/2023/01/19/brandon-staley-i-wouldnt-say-i-was-out-coached-for-a-half-by-doug-pederson/