Does it? That's fiat thinking.
With mocropayments this can be done at point of sale.
Discussion
In our bitcoinised future.
While we are at it, you could elect what department of gov those sats land from your wallet (10% military, 40% education etc), then every transaction becomes act of direct democracy.
We can but dream..
Unless there are huge amounts of invasive auditing records attached to that, it's a donation.
If there are, this is a pain in the ass to administer. No different than VAT now.