It’s the second scenario.
Every service worker in the world still prefers a tip that does not flow through the machine (even if you pay for the service through the machine).
Discussion
Yea I thought about it a little more, and so long as they have an lnurl QR up I think I agree.
I had a vision of doing one transaction with my card, and then my barber taking out his phone to generate an invoice and doing another transaction.
But if I can just pay, say thanks, grab the lightning address and then dip then that totally works
Exactly.