Agree with step. the mis-fuelling was unfortunate and led to the EFATO, but it would be interesting to know more about how the pilot handled the EFATO.
Those on here who say that does not matter as if the misfuelling hadn't happened there'd have been no EFATO should have good long think about their flying.
EFATOs can happen for all sorts of reasons, some not pilot induced. You should consider every take off to be a potential EFATO because one day it might be. It was once for me, and it was once for a bloke I knew. He is no longer with us because he didn't get the nose down and keep the machine flying and therefore under control.
Are you ready for yours?