The error rate is nonzero, but in my experience Amazon will make it right with little friction. A short chat is almost always enough, no labyrinthine phone trees or escalations.

Last time I had to contact Amazon the chat option was no longer anywhere to be found. I gave up and actually called. They were nice enough on the phone but it was a good reminder of how much Amazon’s customer service has degraded.

Yes, but all problems with tainted food are not as visually obvious as mold. After some bad surprises, I've decided to never eat anything I ordered from Amazon.