One of the major problems with this team for the past four years has been the coaching. Coaching in the 13 seconds game, problems with OCs, problems with the SPC, problems with the D-line coach. You can make excuses and say it's luck in a couple of playoff games, but this team is now way past luck with the amount of failures they've had in the regular season/playoffs.
Have the Chiefs just been lucky? No, they Mahomes and Reid. The Bills have Josh Allen, who outside of Burrow has seriously challenged him as the best in the league. He's an elite QB being held back by this coaching staff and this GM.