We usually keep this account sticking to Wandering.Shop business and updates, however, this 404 Media finding is something that may be of significant interest to a number of members.
Regardless of the intention of either of these Automattic properties vis-a-vis federation, those of you who have content hosted there may want to review this carefully.
https://www.404media.co/tumblr-and-wordpress-to-sell-users-data-to-train-ai-tools/