Pat doesn’t merely sell insurance. Specifically, he sells predatory telephone insurance to senile old people.
I don’t know who’s at all familiar with American daytime over-the-air television, but it runs
this type of advertising constantly - the type where the actors intentionally talk slowly, and the sales pitch and phone number are repeated numerous times to make sure Granny has time to grab a pencil and paper.
And he wasn't even qualified or personable enough to do that - his ex-wife had to get the job for him.