> Fifth: Fuck this “sir” shit. We don’t have titles in the United States.

The Title of Nobility Clause prevents the federal government from granting titles of nobility. That's it. It doesn't prevent other countries from granting them to their citizens, and Ive is British.

There are plenty of titles that aren't of nobility in the US. Here's a few: Mr. President, Congresswoman, General, Colonel, and Mayor.