[smarnach]

I don't think the claim that Firefox sends telemetry even after disabling it in the preferences has ever been true. It will still contact Mozilla servers for other reasons, like retrieving lists of malicious add-ons or checking for updates, but it won't send telemetry.

[csande17]

Here's an example of Firefox sending telemetry even after users disabled telemetry: https://www.ghacks.net/2018/09/21/mozilla-wants-to-estimate-...

[jamienicol]

There's a lovely irony in that article being littered with double click ads

[account42]

At least those can be blocked by extensions.