It is likely that miners will have confirmed with major business that they will accept BU coins before signaling for BU, so there should be demand for BU coins
No business in their right mind is going to agree to accept a currency that can be split into more than one currency simply if a group of users choose to click their mouse on a few radio buttons or checkboxes.
What sort of value proposition is that: "Accept this great new form of money at your business, it can easily split into 3 incompatible versions tomorrow, next week, or next year"