More specifically, it seems the definition of rape in Sweden is not directly comparable to the definition in the United States, therefore emotional-laden reactionary arguments come across as uninformed and disingenuous. This is problematic because the debate necessarily ends up orbiting very close to "violent agreement" and "ad hominem". Neither of which are useful when the subject matter is this serious.

Actually no, the courts in England investigated it and decided that what he did would count as crimes in England aswell. He has also been 'charged' with having sex with someone who was asleep. Lots of places have that as a crime.