Home teams in the wild card round only won 47.8% of the time, and by a margin of 0.65.
Home teams in the divisional round won 75% of the time, with an average margin of 5.72 points per game.
Home teams in conference championships won 68.2% of the time, with an average margin of 8.2 points per game.
Data is from 2010-2020
I think it matters. Especially to Bills Mafia.