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3 years agoLemmy.world users can see behaw posts, but beehaw users can’t see Lemmy.world posts. Comments cannot be seen by anyone outside their home instance.
Beehaw defederated from Lemmy.world, but Lemmy.world did not defederate from beehaw.
If you look at a Lemmy.world community through beehaw, you will only see posts from before defederation, or posts made by unaware beehaw users.
A copyright holder has the right to control who has the right to create derivative works based on their copyright. If you want to take someone’s copyright and use it to create something else, you need permission from the copyright holder.
The one major exception is Fair Use. It is unlikely that AI training is a fair use. However this point has not been adjudicated in a court as far as I am aware.