[greedo]

That's literally the opposite of how Bezos has described the role of BO. He's said that BO is his most important work, more important than Amazon. The only reason he's dealing with the incumbents is because he's hired from them, and inherited their mgmt structure/methodology.

And how many of these "working rocket engines" has he shipped? Bueller?

[trhway]

why shipped? He flew his engines himself.

[greedo]

He flew on New Shepherd, which uses the BE-3 engines, which really isn't very suitable for orbital use. The BE-4 engine (roughly 4x more powerful) has been delayed for a long time.