I think it's likely something like that could happen.
My first thought, though, is that if a business can find suppliers who accept lightning payments, they could essentially have a bitcoin side of the business and not mix that accounting with the fiat side.
Yeah, I can think of workarounds too. Not trying to spread FUD.
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It's a worthwhile point to bring up. Many businesses wouldn't be able to do that, plus they wouldn't want to advertise that they accept lightning payments. I think it would be a serious friction.
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