I know the tech very well, but I really don't care about how it's settled under the hood.
> Cryptocurrency plays zero part in it.
Except backing your payment, it really doesn't.
> It's a convenience
And convenience is value. Not inherently by crypto, but the fact it's possible is an extra benefit.
Would you also object that if I spend EUR for a product online in GBP then the seller is not getting EUR?