The ghost listing problem is something I have expounded about at length, based on it being an insolvable problem associated with distributed database systems.
This was well known when I was still a technical person, one of the pioneers in computer to computer networking.
Much of the internet is based on assuming this insolvable problem does not need a solution.
Amazon was a pioneer in experience ghost listings because of the high volume of transactions it had. Ghost listings are becoming more common on smaller sites because they have reached enough volume for what was a relatively small probability of ghost listings is now leading to noticeable occurrences.
Relatives to layoffs. With or without AI, some layoffs at Amazon stand a high probability of providing improved services, fewer problems and lower cost. Real or artificial stupidity is bad for business. Read the Linkedin profiles for some Amazon managers if you wish to be enlightened.