@mozillaofficial@mozillaofficial in the meantime updated their news item to add this “explanation” regarding one of the items within the terms that has been criticized:

“We need a license to allow us to make some of the basic functionality of Firefox possible. Without it, we couldn’t use information typed into Firefox, for example.”

In the explanation, they don’t tell us -what- is that “some basic functionality” they refer to, or why would Mozilla need to use information typed into Firefox, for example.