I have a dream of creating a community where people can argue about factual questions and give citations, with an AI moderator that will award points for things that are demonstrated based on solidly factual citations and no points for things that are someone yelling with increasing firm confidence that their opinion is the right one. My dream is (a) the AI moderator could be made to work and (b) it would cause people to lose the "me and my agreeing-people are right about everything by definition" mentality that's pretty easy to develop in a forum where you can literally say anything at all without getting any feedback aside from other people telling you they agree or disagree.
Probably my dream on counts (a) and (b) both is incorrect, but it is my dream. In my dream it works.
For as long as this article is, it is remarkably free of journalism. It is basically a press release from Meta saying that they're planning to implement Threads in a few months, and don't feel like saying more about it than that.
This is a fascinating question, both in its lack of an answer, and in the inherent framing of the question that of course they're going to introduce incompatibilities, and the discussion is simply about how to do it.
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That... is not the central question that's on people minds about how user data will be handled. Presumably you were in a position to ask Rachel Lambert, the product manager at Meta who started the company's journey towards interoperability, a more obvious and salient question, and include in your article her response.
Who are these leaders and what are they saying about this? This, also, seems like it would have been pertinent information to include. If Meta's answer was "You're not allowed to know that at present," then including that response seems like it would have made the article quite a bit more informative than simply pretending it didn't occur to you to ask for any details about this.