I know someone who used to be an Amazon driver similar to Vic in this article. They also left over this same issue but the real reason they explained to me was

I know someone who used to be an Amazon driver similar to Vic in this article. They also left over this same issue but the real reason they explained to me was nothing to do with privacy but it prevented them from running their side gig while driving. They had a second phone and were fielding calls while driving as a real estate agent and they couldn't do that with cameras.