Maybe.
They also had weeks to scheme against us and had played us earlier in the season and every other season going back like 5 years.
But yes, the overall takeaway from the SB is that the best way to win in today's NFL is to be able to "affect the quarterback" in the playoffs/SB. There are different ways to do that - pressure, disguised coverages, an elite secondary - perhaps any of those things would've helped us get past the Chiefs but instead we had none of them (for many years in a row now).