You completely sidestepped the issue at hand: >> [Firefox] updates have been known to re-enable it if you turn it off ... But it doesn’t matter - you’re going

You completely sidestepped the issue at hand: >> [Firefox] updates have been known to re-enable it if you turn it off ... But it doesn’t matter - you’re going to re-enable it on the next update. You can choose to opt out of Chrome's phoning home in the privacy settings and they haven't tried to revert those settings in an update (and given their track record, I have no reason to believe they will try to surreptitiously change the settings in a future release)