Why would an American press 'Accept' on any telephone service, it's a wild-west of spam/scam calls.

What protection.

To hazard a guess, because they might possess more than a childs’ understanding of jurisdiction.

Things get complicated once international, and state, borders are crossed.

Legally because the recording takes place entirely in Canada. For practical purposes getting something prosecuted across national borders is incredibly complicated even for serious crimes that are crimes in both nations with clear jurisdiction and basically impossible beyond that scope.

In fact only an American would have the temerity to imagine that their laws might apply to someone in another country merely by calling them on the phone.