Both CU and the state of Colorado are broke financially, with both having a reputation for making deals they can't pay for. Their reputation and their clueless fanbase makes them only slightly more desirable than the neverwas wannabes Bowelsby is bringing in. (Yes, I went to CU Graduate School of Business, and follow the destruction created by Hoffman.)
That ship sailed when Delaney was commissioner. They got their invites as an inseparable pair, and UNC said, "not without Duke". Hence, Delaney got his TV count from Rutgers & UMd. UNC is still controlled by Swofford, who thinks the ACC should be named after him.