Since Lemmy.world and sh.itjust.works had fully opened sign ups with no vetting during the big migration, Beehaw was getting a lot of trolls and spammers coming from those instances. Since Lemmy is kind of new there weren’t enough moderation tools for them to fully deal with that with their team so they defederated until those tools exist.
You can sell the scan data to certain merchants, price seems to depend on the amount of stuff on the planet.