Yes - besides making collection of public data easier, it breaks down the walls of DM’s allowing meta and non-meta users to DM each other without friction, meaning most non-meta users won’t even notice that they’re starting to send their private data to meta. Additionally, that lack of friction allows them to collect data on who you follow from their server and who on their server follows you, including the content of those public exchanges along with the private info they have on the users on their side, which they can then pull in with your public data to make a great profile on you they will be happy to sell to the highest bidder even if the buyer is, purely hypothetically, a white supremacist cult hell bent on your death.
Yes - besides making collection of public data easier, it breaks down the walls of DM’s allowing meta and non-meta users to DM each other without friction, meaning most non-meta users won’t even notice that they’re starting to send their private data to meta. Additionally, that lack of friction allows them to collect data on who you follow from their server and who on their server follows you, including the content of those public exchanges along with the private info they have on the users on their side, which they can then pull in with your public data to make a great profile on you they will be happy to sell to the highest bidder even if the buyer is, purely hypothetically, a white supremacist cult hell bent on your death.