A few last thoughts about Facebook and Threads.
Their claimed user numbers are obviously bullshit. Even taken at face value, millions of people clicking a new button is not millions of people using a new service.
Second, their business is serving ads only. They have as an organization proven, repeatedly, that they will accept any adverse human impact up to and including genocide as long as their graphs go up. Their stated intentions are irrelevant and believing otherwise makes you a mark.