Maybe they could take a few hundred millions of that, and their staff on hand, and develop something that is actually useful and monetizable when it becomes obv

Maybe they could take a few hundred millions of that, and their staff on hand, and develop something that is actually useful and monetizable when it becomes obvious Twitter will remain unprofitable. They probabily will, in fact; the real question imho is whether they try to build it on top of the Twitter serviceor in spite of it.