You might have a point if it were a film that went to great lengths to create the historical city of Verona. But it’s a play. You aren’t going there to see a recreation of Renaissance Italy. You’re going there to see Shakespeare. Resetting Shakespeare in different times and places and recasting it with actors of different backgrounds has been standard for years. Take it up with Claire Danes and Leonardo DiCaprio.
I have been misinformed. From the commentary I read elsewhere, I thought it was a movie. In a movie it is silly, in a play, it doesn't really make any difference.