Look cry and complain all you want. Your team put itself in that position. 15 unanswered points.
If Mahomes doesn't take a massive sack on 3rd down, Butker probably makes the earlier field goal, you win on a 4th and goal field goal kick.
Butker makes one of the missed field goals you win. Your team put itself in a position where one play could change the outcome, that's on them, not denver, not the refs, not anyone else.
Crying about it makes you seem like a really sore loser.