Chewy

Another problem with BTC is the extremely high transfer costs. Donating XMR directly makes smaller donations viable, while BTC is only attractive for large donors.

Notable mention of Mozilla being a Platinum sponsor.

Taxes aren’t collected for a specific purpose. Any tax can be used for any purpose a state sees fit (e.g. income tax may be used for infrastructure, schools or defense).

The “Rundfunkbeitrag” is a purpose-bound fee which can only be used for the public service broadcasting.

Edit: It’s a mandatory fee like you’re forced to pay for waste disposal. Not a tax.