I mean, it's a penny on 1,000, or probably a lot less than that, frankly. So I can not only not imagine a person whose decision to write would be governed by such a thing, I cannot imagine a European who would come to America to copyright his work for such a reason.
Europe offers the only option for copyrighting
( z1 offer :ARG0 ( z2 continent :name ( z3 name :op "Europe" ) ) :ARG1 ( z4 option :mod ( z5 only ) :topic ( z6 copyright ) ) )