TONS of open source software embeds phone-home spyware these days. Most developers see nothing wrong with this sort of covert data exfiltration, thinking opt-out preferences are fine.
It's not fine.
I install Little Snitch from USB before ever allowing a freshly wiped Mac to connect to any network.
It's not fine.
I install Little Snitch from USB before ever allowing a freshly wiped Mac to connect to any network.