When the RFP was written in such a way that the specs match a project that a particular party has already designed then yeah its rigged.
Yes the land has been available for however long, but the Opportunity Zone legislation that makes it more valuable is relatively new.
This whole thing about the RFP would have written differently if someone else inquired is also problematic. Why not just have an open RFP where anyone can make a proposal so you can truly compare different options.
Cities don't normally put land they own out for public sale.
Ex: Glendale owns several parcels around Westgate they purchased to accommodate their contracted obligation with the NFL Cardinals to provide parking for State Farm Stadium. Some of those parcels are still undeveloped but you wouldn't know it because Glendale doesn't make it known they're there. Or if Glendale even wants to do anything with it at all.
With their Camelback Ranch project. They purchased the land to build the park and surrounding area for future development. But the original contractor they had lined up went bankrupt from the recession and never could get anyone to develop the land surrounding the park. They ended up selling it not long ago...... for a loss.
The difference here is.... this land is actually within the city of Phoenix and subject to being taxed like any other privately owned parcel. That is unless Glendale made arrangements with Phoenix ahead of time. That I don't know.