People in general are idiots. Family Guy pokes at voters who aren’t sure what they want. They eat up anything.
Seth MacFarlane made The Life Of Larry in 1995. It eventually transformed in Family Guy. Larry and Steve would evolve into Peter and Brian.
Here’s a pilot episode on Cartoon Network in 1996.
Family Guy is so good at being ultra annoying. They take an already annoying song, and make it as annoying, or to some funny, as possible.