It's a small market to begin with, that will disappear in any meaningful sense after probably the first year, maybe two.
What's the incentive to put in the investment to make something according to what we want – small, battery powered, cheap ($30)?
I suspect the best ROI calculations have the product breaking even at several hundred dollars, especially if a competitor or two is factored in.
It was a mistake to give any credibility to the statements about pricing and availability of these modules from that economic advisory powerhouse, the FAA.