Don't forget that RFPs for this sort of thing get massively stuffed with pork so they're doomed to be bloated even regardless of the quality of the contractor who does the implementation.
They love including requirements that all but mandates a specific vendor's product because that vendor is a key employer in the district of some rep's who's vote they need or has a good lobbyist or whatever.
They love including requirements that all but mandates a specific vendor's product because that vendor is a key employer in the district of some rep's who's vote they need or has a good lobbyist or whatever.