I don't see anything groundbreaking or even interesting in that, I don't understand why anyone even cares (multiple posts on Reddit about it too).
It seemed pretty obvious that capital gains tax was going to apply to it, so I'm not sure how investing in it suddenly got more complicated.
But doesn't the tax treatment on transactions rule it out as a method of common exchange. If you have to calculate loss or gain on each and every transaction won't that undermine it's functionality.