What dangers? Nobody will see any consequences for this: not Amazon-- they're a monopoly, they don't give a shit-- and not the seller-- who probably won't see any impact whatsoever on their sales or reputation, and will just recreate under a new shell name if they do.

The fact that LLMs drive the cost of junk text production to zero is a tremendous opportunity when there is no penalty for messing up. It's the same think as bulk spam mailing: if it's free, there's no reason not to keep trying even if only one a million is a success.