Telemetry is a special case I think. An example of some of the problems is Vivaldi, where information like the "screen resolution" actually can help to improve

Telemetry is a special case I think. An example of some of the problems is Vivaldi, where information like the "screen resolution" actually can help to improve the user experience and data on the number of users can also be useful but none of that makes it necessarily a good idea: https://news.ycombinator.com/item?id=17564877 https://news.ycombinator.com/item?id=17564877