Merz’s and Rubio’s Historic Speeches in Munich…Really?

We are told that German Chancellor Friedrich Merz gave a “widely noted” “historic” speech during the Munich Security Conference, describing his take on the American-European relationship.  The subsequent speech by US Secrtary of Speech Marco Rubio was warmly received, but upon further analysis, what did it really convey? Have those speeches announced a better transatlantic relationship… or a further deterioration?