With no one hurt, integrity of flight unchanged, and only one Lu obstructed - why divert (especially to ICT where UAL has no mx)? The safety need for those exit doors would be no different if either ICT or SNA.
How easy is it to confirm that no one is pinned under a slide?
How about when the FAs escape forward and the slide divides the aircraft in half? How good is communication with the aft end?