Either way, one of the most critical parts is that many are still hosting on Google Cloud, AWS or Microsoft, therefore you are not 100% insulated from Cloud Act.
Take Tally (tally.so), the one I took the time to check.
In their footer they say: Made and hosted in the EU which technically it's not wrong, but since they are using Google Cloud and Cloudflare, they are not insulated from the effect of the CLOUD Act.