It's been 7 years since a team made the Super Bowl without a 1st Round bye. And it gets worse.

Saint Spud said
Why not? What’s stopping them from doing advance scouting on all their possible opponents?

As the 2-seed, they can only play the 3. 4 or 5. Not hard to do a ton of research into those three teams and come up with solid preliminary plans.

While I do see what you're getting at, I don't see at as the large advantage you're making it out to be.