1. Everyone knows that…
1. Everyone knows that Cybertrucks are expensive so the customers knows that this guy is making a lot of profits.
2. Everyone knows that the Cybertrucks are useless as a work vehicle. Almost no bed capacity and if you tow a trailer, the battery goes down really fast.
So regardless of Elon Musk, this roofer is demonstrating to his customers that he makes a lot of profits and he makes bad business decisions.