Do you have any Amazon add-ons (extensions) installed in Firefox? Did you, or someone who uses your computer, install any software recently?
If it is a Firefox add-on causing the issue and you have more than one that could be the culprit, start by disabling all of them. If that fixes the issue, then it is just a matter of enabling each add-on (one at a time) to discover which one is causing the issue. When you figure out which one it is, uninstall it.
It first showed up on amazon.com for me yesterday. I found an article that mentioned it popping up on there from like a month ago, so they might be doing a slow roll-out or something.
It's basically just an AI chat window that pops up on all of the product pages. I thought it was pretty obnoxious.
Aha, maybe you can block it with ublock origin or something. I don't look at amazon pages much, but occasionally do, and haven't noticed the bot so far. It may already be in the ublock origin block list.
I haven't seen it. Can you explain where you see it? I find the Amazon Container Addon pretty helpful, and you may also look into site-specific permissions, such as blocking microphone, camera, and location sharing on certain sites. If it is a certain element that show up, you may be able to block it using a custom setting in your ad blocker.