Peter Vergote, legal advisor at DNS Belgium: "Our data and processes at AWS are located on European soil, spread across multiple data centres. This is perfectly in line with European legislation such as GDPR and NIS2 .
That is technically true, but not in practice. The 2018 Cloud Act makes all EU reg moot points from the US perspective. That makes any American involvement in your stack by def a breach of NIS2, GDPR and other digital and data related regs.