Not sure why the discussion is focused on Davis vs. Gore - It's Davis vs. Johnson, and Johnson was the choice last week, and he did just fine. Maybe have Gore replace Davis as the number 3? I'd be fine with that.
I am not sure what you can discern from fan reaction but I can't imagine their plan was to let Bosa and company destroy Mahomes, getting the most hits of any game in his career (and worst completion % IIRC). Come on, that doesn't pass the smell test. And the Chiefs really needed a win too (just for the win given their record and also since it's an AFC game and also re h-to-h tiebreaker vs. Bills). But of course their game plan if we see them in the playoffs will be different - It will address deficiencies from the regular season game, have a bunch of other wrinkles, etc., etc.