The Steelers have a .400 SOS, the lowest in the entire NFL. They haven't played that many good teams like the Bills (.515) which is the highest amongst the top currently ranked 6 playoff teams in the AFC / Top 7 of the NFC. The Steelers could easily lose in round 2 & if the Bills grab the #3 seed, that gives us a chance to grab another home game before facing the Chiefs. You heard it here firsts, Bills are being tested week in and out with successful teams, the Steelers are going to get smacked by us.
https://www.espn.com/nfl/standings/_/view/playoff
P.S. We are the only 4-0 team in our division & likely to go 6-0. We will win any 3-way tie-breakers, sans Pittsburgh who might go 6-0 as well. Miami's 2 division losses should kill their chances & they still play us at home, they have no clear starting QB as well.