Molly White also wrote about this in the context of open access on the web and people being concerned about how their works are being used.

“Wait, not like that”: Free and open access in the age of generative AI

The same thing happened again with the explosion of generative AI companies training models on CC-licensed works, and some were disappointed to see the group take the stance that, not only do CC licenses not prohibit AI training wholesale, AI training should be considered non-infringing by default from a copyright perspective.

If you don’t want to host your own data, take a look at TarSnap

I’m having the same problem. There are bugs about it open with the developers, so presumably it’ll be fixed at some point.

Search Icons are missing again #2227

Icons are missing from custom search engines added from settings #2261

In the meantime, I was able to make my search bar presentable by installing the “Search Engines Helper” plugin and manually adding the search engines that are having favicon problems, then going into the search engine settings and removing the checkmarks for the broken ones.