Unknown Mozilla dev addon "Looking Glass 1.0.3" on browser

Many people seem to be shocked because Mozilla installed an add-on automatically. In my opinion, it doesn't really matter since the code is coming from Mozilla - they're building the whole browser, so they could introduce functionality anywhere. If someone distrusts their add-ons, why trust their browser at all?

The main question is what behavior is being introduced. I haven't researched deeply, but apparently the add-on does nothing until the user opts-in on studies.

Speaking for myself here, but I'm not concerned that Mozilla might push malware into Firefox installations. I'm concerned about the lack of judgement in pushing an extension with a vague, scary-sounding name and description simply for a cross-marketing tie-in, and I'm worried that it could have damaged the trust ordinary users have in Firefox.

> I'm not concerned that Mozilla might push malware into Firefox installations

Nobody is concerned about that, in my opinion. I'm concerned someone will push malware through Mozilla into Firefox installations. Pushing addon installs should not be possible at all.

> I'm concerned someone will push malware through Mozilla into Firefox installations.

Mozilla installing a bunch of addons that look like viruses ends up preventing users from being able to identify actual viruses.