
When the right goes too far, they’re ascendant in politics. They’ve won the election and they’re enacting some seriously bad policies.
When the left goes too far they fragment into a million pieces. No coalition can be built because everyone is too caught up in fighting over the details.
They did mention being a driving instructor. Driving (and teaching students to drive) all day every day is going to put a lot more wear on the tires than a typical driver.