He says he's dealt with it across the country. Though he may reside in Vegas. Certain medical fields often travel several times a year cross country.
And the Big East is far from the only one with that view. This weeks major topic is the big 12. It's been covered extensively that in 2011 they saw BYU as high maintenence.
Finally, many people outside of Utah associate Mormons with BYU so it does have something to do with BYU