Thank you for the effort of posting those. Unfortunately they don't really indicate any data being taken from AWS specifically, all of the copying behaviour appears to be Amazon storefront copy-cat tactics.

As for govcloud, it exists because regulatory requirements for running things for gov are more strict than your average user/business requires and such cloud offerings require certain levels of hardening and software security and assurances. I happen to work in the space so I understand the need for an alternative offering for government requirements. There's really nothing nefarious going on there and its more about govs not wanting to run alongside regular users. I see nothing concrete I could take to my superiors.

Am I missing something or do none of these links even mention AWS?

I’m also unsure how the explicit trust from the government (“consider that govcloud exists”) is somehow evidence for their untrustworthiness?