[TekMol]

It's more terrifying because

a) I can block it from websites easily. Not so from Firefox about:... pages.

b) Firefox has a marketing angle that they are privacy protecting. But injecting external tracking code into the browser itself is the opposite.

[dewey]

If you really want to be sure then you should block it in your hosts file anyway and not just on an extension level.

Homebrew also has it included with a pretty good description why I think: https://github.com/Homebrew/brew/blob/master/docs/Analytics....