Firefox is better than Chrome [in the privacy aspect]... but still pretty terrible. It sends a lot of "analytics" and "tracking" to some of Mozilla's servers,

Firefox is better than Chrome [in the privacy aspect]... but still pretty terrible. It sends a lot of "analytics" and "tracking" to some of Mozilla's servers, but if you inspect the requests, those servers are actually behind Google's CDN,and Google does the TLS termination. So... Google has access too all the data that Mozilla sends when it phones home. Some of it even has a unique identifying id.