IU catches some crap, but as has been discussed most of the last half of last season, the SEC teams' SOS was greatly inflated. Several teams remained ranked most of or all of last year with zero wins against ranked teams. Without looking, Tennessee and Vandy come to mind as teams I looked up.
I am not trusting or even reading anything from ESPN as far as schedule rankings or even actual rankings anymore. They showed their true colors last year propping up the SEC and the ACC over many others.