Worth is relative. It won't be packed full of 2000$ worth of Android or Apple flagship hardware. But it will cost around 2000$ to deliver this specific product in the manner it's being delivered.
Of course. USA assembly is pretty expensive though, it's a low volume product (so the cost of setting up additional factory won't get distributed across many devices) and I'm not aware of any competition there, so the final price is hardly surprising IMO.
The regular version costs "just" 4 times the PinePhone price, but with Librem 5 you get not only more powerful hardware with more expensive components, but also warranty, continued software development and tech support.