So is “Triumph of the Will” what matters is the message of the Film, and if its message is Racist or Anti-Semitic, than at least it is well shot Racism and Antisemitism.
It’s not just a matter of it being well shot but of it pioneering a medium. It’s where the movies began and people interested in the medium need to see it. D.W. Griffith was a frontier scout of the cinema.