These seem to be very specific to this project, and I doubt the majority of DC projects are like this one, an hour away with its own gas turbines to generate power and plenty of water available.
There also seems to be a Utah-specific bill from last year requiring large electricity users to pay the additional infrastructure and power-supply costs attributable to serving them rather than shifting those costs onto existing utility customers. This is also not the case everywhere DCs are being built.
The project that just failed near me in WY was setup to be very similar.
I hear that a lot and I'm happy with my county for making sure we get a good deal out of this. I think a lot of people are informed by the few bad cases and think that all DCs are going to do this.