KairosMacs do not respect your privacy. In comparison to windows it’s better but they still log and send every application you open to Apple.
That claim seems like it’d be trivial to fact check, and indeed does seem to be false.
woelkchenindeed does seem to be false.
That’s from 5 years ago. Let’s look what Apple themselves say about that topic:
Personal Data Apple Collects from You
Usage Data. Data about your activity on and use of our offerings, such as app launches within our services, including browsing history; search history; product interaction; crash data, performance and other diagnostic data; and other usage data
this is HIGHLY misleading. The page you linked is for Apple’s global/web properties (hence “within our services”); device-level settings govern app and OS telemetry separately. You can opt out of telemetry on apple devices you own.