Selling access to be the default search engine could count under this definition, which was Mozilla's primary revenue source for decades.
> selling, renting, releasing, disclosing, disseminating, making available, transferring, or otherwise communicating orally, in writing, or by electronic or other means, a consumer’s personal information
Mozilla doesn't need my personal information at all to set a default search engine.
Under a loose interpretation, which is what they expressed concern about.