The schism mentioned in the original post was a result of IB taking over Wikitravel; the content that was forked over on Wikivoyage mostly would have preexisted

The schism mentioned in the original post was a result of IB taking over Wikitravel; the content that was forked over on Wikivoyage mostly would have preexisted IB’s ownership of Wikitravel. So the terms that mention IB would not be the same terms the content in question was submitted under.