Earlier quoted context omitted.
I would be okay with it if it was properly anonymized. I'm talking for instance some peer-to-peer mixing scheme, not just a privacy clause by which they swear they won't use the data to identify the particular users. There are technical solutions to privacy-conscious telemetry, but of course the non-trivial cost of implementation, and perhaps more importantly the loss of valuable data for the company means it's almos…
> I would be okay with it if it was properly anonymized. MS might properly anonymize it, CandyCrash as well, then antivirus company also does it properly, but when it's all combined nothing says it won't be properly de-anonymized, specially if the data is sensitive and valuable.
If the telemetry information is only internal to the application (generic UI interactions, no specific IDs or tags), I don't see how combining sources could de-anonymize it.