The idea is that the US community has been much more sensitive to wizardry in his history. The Int’l Confederation is called in to handle this special breach. It is obviously a very LARGE breach of the statute and is likely to have international consequences to deal with it. Mass obliviation is still viable, but it…

Cap signing the Accords and then deciding to break them because of an instance he disagrees with makes Cap a bigger A-hole than not signing because then he looks like he never intended to abide by the Accords in the first place. And that’s regardless of whether or not we knew what would happen 24 hours later.