...so says the fan with a Big12 bias...Your conference has only 10 teams so you are actually boosted by having Texas and Oklahoma play tough schedules (ahem vs. your pathetic schedule).
Let's do a proper review of the teams actual seeding in the tournament shall we to see how the committee actually views their strengths
ACC has 8 teams: 2- #1's, 1-#3, 1-#4, 1-#5, 2-#8, 1-#10 so at this stage, 4 teams should be advancing but yet 5 could
SEC has 7 teams: 1-#1, 1-#2, 1-#3, 2-#4, 1-#5, 1-#6, so at this stage 5 teams should be advancing and only 4 could and possibly only 3
Big12 has 4 teams: 1-#2, 1-#2, 1-#9, 1-#12 so at this stage 2 teams should be advancing and 3 could
PAC12 has 5 teams: 1-#2, 1-#3, 1-#4, 1-#6, 2-#7 so at this stage 3 teams should be advancing and 5 could. Thumbs up!
Big10 has 5 teams: 1-#3, 1-#5, 1-#6, 1-#7, 2-#10 so at this stage 1 team should be advancing and only OSU could.
Not sure what your point is here as the ACC and SEC teams actually play other good team outside of the conference which the 16 games vs. 18 allows. I don't view the RPI being biased towards the 16 game schedule. Again, the bracket seeding is playing out in favor of the stronger conferences.