The commercial API has nothing at all to do with the third-party client API.
[1] https://twitter.com/TwitterDev/status/1641222782594990080
That's a huge chasm to cross. A moat, if you will.
Anyone who starts out small and grows organically is just going to get choked out, like planting an acorn in a bucket. So why even try?
Maybe that's the intent?
Sometimes I really wonder about this new CEO guy.