They're allowed to put all sorts of things on food packaging because of "free speech". One example is misleading unprotected terms of provenance.

e.g., Port wine made in California isn't really Port wine, but it's allowed on the market under that name.

Funny enough the only thing that really is protected like this is Scotch Whisky due to a trade agreement that has us hunting down any producer in the USA that advertises an American whiskey as a Scotch whisky.

Don't forget that "free range" chicken doesn't mean shit, neither does "grass fed" beef.

False advertising on food is everywhere in the USA.