Because constantly, throughout the entirety of the corporate controlled internet era we are now in, and I mean constantly as in it is hard to find an exception, anonymous data collection has at some point in the future turned into non-anonymous data collection to sell to data brokers.
Hell, there are a staggering.number of services being caught with ignoring opt-out preferences even and non-anonymously tracking users via identification numbers.
The problem I have with it is that eventually, every single closed source “anonymous” consumer telemetry will eventually become de-anonymized and almost always sold. If any capitalist company sees a cash cow that they aren’t milking, shareholders or rich owners will demand that it be milked.
I would struggle to find a case where it hasn’t happened with any popular software