It also explains the lack of public commentary.
(Also, sorry to be That Guy, but this one always gets to me: in the sense you've used it, it's "faze", not "phase".)
It's the same problem as FAANG collecting mountains of "anonymous" metrics. Pretty soon, you can determine who the "anonymous" user is.
We had to run the whole project on a completely separate network from the rest of the business due to the classification of the software, which was driven entirely by a handful of frequencies used in testing; details of which were also broadly available from OSINT sources.