Isn't that the joke? “Anyone is capable of building encryption algorithm that they can’t break” doesn't say that nobody can break it, and it's probably easy fo

Isn't that the joke? “Anyone is capable of building encryption algorithm that they can’t break” doesn't say that nobody can break it, and it's probably easy for people to assume that "well I can't break it, then it's probably unbreakable" only to discover that in fact it is not unbreakable.