>>charci+Zj
Anonymized or not, opt-out telemetry is plain spying. Go was about to find out, and they backed out the last millisecond and converted to opt-in, for example.
>>inetkn+Yq
Telemetry can be implemented well. The software you use gets bugs fixed much faster since you get statistics that some bugs have higher impact than others. The more users software has, less skills they have in average to accurately report any issues.