Vac Passports are an infringement of my freedom. HOWEVER, not allowing a BUSINESS to run the business THEIR WAY, is just as bad. (Gay Cakes?). We can’t have it both ways. If we believe vac passports on ships are an infringement of our PERSONAL freedom, then we don’t take a cruise. People not using the cruise lines, for this reason, will make the cruise line change. But such a “business practice” should not be “governed” by the government.
Like it or not, states have the power to regulate business practices in their state. Ever try buying booze in a dry county or after hours? It's none of the government's business what time a business conducts a transaction, right?
There are a myriad of state laws interfering with business practices and they usually work against conservative principles of limited government interference of the marketplace. This one happens to work in favor of the individual against corporate overreach. It's a small win for the good guys.
Regardless of which side you view it from, the state of Florida has the legal right to pass a law prohibiting the business practice of requiring vaccination as a condition of boarding a cruise ship at Florida ports.