This is changing somehow. At least on a surface. For example Amazon have created European subsidiary completely managed by Europeans under European company thus under it's local jurisdiction.
Unless it is air gapped which it is not there is no way to protect Amazon's developed and owned software stack from reporting back to headquarters.
You are incorrect:
1. the 2018 CLOUD Act mandates US companies — and their subsidiaries — to provide information to the US government on demand, regardless of where the data is stored
2. FISA secret courts prevent companies from even saying they where summoned, or telling anyone who or what the case was about (including canaries).
So you won't ever know if your data was handed over to the US government.