It's fascinating that nudity can cause such discomfort when violence does not. Violence is much worse. Both Godfather movies had much more explicit violence than their forerunners. A lot of films coming out in that period did. Sonny's murder is a direct lift from Bonnie and Clyde, which was harshly criticized at the time by some for the explicit violence.

Those movies could have been shot w/o the explicit violence, as they would have been pre 1960 or so, but they weren't and I think they're better movies for it. It is all a directorial choice, as I wrote, and not every director can successfully use explicit violence and nudity but when it's needed I'm glad that those who are skilled enough to do so, have that choice.