nostr:npub1kjauf5ae53pstgv9u7mkfw2lzluyvtqhev6tj5fx85kfthck7r8qgke5gq nostr:npub19jzp5d9w32c2fpvd5hyq5z7sqpes6m3c2appm3zwangpasvd6zyqt4dp8p nostr:npub1r3cm6hr0c4y9j4dw2kal6tujq74vz5h7curcjrq62k3xnf7f2mjsrpm6c8 Meta most likely sees an upside for their primary business model (behavioural advertising based on surveillance of people), e.g. access to federated index data.
It is naive to assume that they have any stake in the Fediverse apart from that. Very likely federation will be based on dedicated contractual agreement with other instances to protect their interests. I would not stay on a server buying into that.