> And that's ignoring the who-knows-how-many secret un-released projects that might relate.

Most software businesses exist on a tenuous information asymmetry turbocharged by capital (dumping, to reduce prices). The noncompete is about protecting well-capitalized customers from doing the stuff they're buying from Amazon themselves - not because they poach an employee who knows how, but because they find out that a piece of free, open source software is the secret to it all.