There is no law against publishing software that would introduce a blockchain hard fork if run. Yes, XT infuriates those who hope to make money based on the appreciation of their pre-fork bitcoins. Publishing XT introduces economic uncertainty in the short term, and long-term undermines confidence that we can rely on the mathematical promises of bitcoin at all. If XT is successful, why wouldn't Hearn (or Coinbase, or…
Could someone explain how the XT fork might affect the future value of currently-existing Bitcoins?
I expected it to have a neutral effect, since one fork will eventually die out (and since the fork does not try to change the rate at which Bitcoin are created). Even if both forks persists somehow, every holder of a current Bitcoin will essentially have 2 Bitcoin -- one spendable on one fork, another spendable on the other.