Not screwups, but I think this keeps more traditional rivalries intact. This strength of each school's permanent rivals isn't a issue as if the every year rivals are weak, then the other six have to be tough. Same thing other way around.
Bama: AU, UT, MSU AL is MSU's #2 rival.
AU: Bama, UGA, MSU
ARK: Texas, Missouri, LSU
OLE MISS: MSU, SC, V V & OM are current perm rivals & played every year before divisions.
MSU: Ole Miss, AU, AL
LSU: A&M, FL, Ark LSU is A&M's biggest current SEC rival.
ATM: Texas, OK, LSU
Texas: ATM, Ark, OK
OK: Texas, ATM, MO MO is next door & rivals going back to Big 8 days. OM is nowhere with OK.
UGA: AU, UF, SC
UF: UGA, SC, LSU LSU & FL are current perm rivals.
UK: UT, VU, MO
UT: Bama, UK, VU
SC: UGA, UF, OM We border MO, not FL.
VU: UK, UT, OM
Missouri: Ark, UK, OU