How many people who use bitcoin would use this product? How many want to use this product and don't know how to use bitcoin? How many people CAN use bitcoin for THIS purchases?
We're never going to switch to bitcoin for daily purchases but that doesn't mean it shouldn't be an option for people.
I am yet to see any viable usecase of this bitcoin mania that is legitimate and doesn’t need tons of energy waste to accomplish its goal.
For almost 15 years of bitcoin it has completely failed and we have no use for it.
So yes, we should never switch to bitcoin for daily purchases (because it fails at that) and we should never switch to an ‘alternative’ like bitcoin if that said alternative is even worse than the current system, which it is.
Just because viable usecases don't exist today isn't proof that they'll never exist and isn't a reason to stop development. If we gave up on hard problems because we didn't solve them in 15 years we wouldn't have the AI we have today.