We read that differently. I say it's mutual respect from one dictator to another. Kinda like tipping your hat in approval. Or, was it an excuse? Either way, they both are tyrants.
The National Socialist doctrine is not the servant of individual federated states, but shall some day become the master of the German nation. Lincoln Sr.
Hitler thought that a modern highway system was a good idea. So did Eisenhower. Was Eisenhower's idea that modern highways were a good idea a hat tip to a fellow dictator?