> I drive through the city and see 3 different restaurants all advertising that they have the "world's best burger(s)." Did they measure that? No, because why b

> I drive through the city and see 3 different restaurants all advertising that they have the "world's best burger(s)." Did they measure that? No, because why bother? Just put it on the sign, even if it is not true. Sell an ideal and worry about satisfying it after all the money comes in (if at all.) That is called puffery and it is legally protected expression (at least in the US). If they assert any hard facts you could force them to prove it, but general floaty stuff like "best in the world!" would be puffery