> Contributions go to the Mozilla Foundation, a 501(c)(3) organization based in San Francisco, California, to be used in its discretion for its charitable purposes. They are tax-deductible in the U.S. to the fullest extent permitted by law.
IDK what are their actual intentions, and they might be 100% focused on FF dev, but nothing in the tax law keeps them on that focus.
It is somewhat hard to find out what exactly this means, but US form 990 provides an overview (PDF): https://assets.mozilla.net/annualreport/2019/mozilla-2019-fo... , see page 3 and 9
$926K "Agenda Setting" -- published a report
$4,853K "Movement Building" -- urged Facebook, Snapchat, Apple and others to address issues
$10,387K "Leadeship Development" -- Fellowships and awards for technologists and researchers
$1,374K "Compensation of Officers" etc..
If there were the option to donate directly to the Firefox program, and that they placed a "donate now" button here or there within Firefox and on their website, I'd happily donate as I have with Signal.