Maybe it was a lowest bid thing?
Could have been. Or they chose it specifically. It does have some benefits besides costs.
Back in 2010, I was replacing my Motorola SmartNet system. I trialed MotoTrbo and NXDN. Trbo sounded like utter crap and had some limitation that wouldn't let it work for what we needed. After so many years of dealing with terrible Motorola service/shops/dealers/etc. We were looking at options. I priced out an LTR analog system, a NexEdge trunked system and a P25 system. P25 was going to run over a million dollars and the subscriber radios were in the $1500 and up range. LTR would have worked, but it was old technology and I knew it was not the way to go. Trbo sounded bad and didn't want to deal with Motorola any more. Kenwood walks in with NXDN and I was pretty much sold. Nicer audio, less expensive infrastructure and less expensive subscriber units. In the end, getting more radios in the hands of those that need them is more important than brand name or technology.
At the time I was looking at the system, I was talking with University of Oregon. They were on the same track I was.
It's been a good investment. I've long since paid it off.