A Google search later: https://support.microsoft.com/en-us/windows/privacy-and-control-over-your-recall-experience-d404f672-7647-41e5-886c-a3c59680af15
All local. Nothing sent. You can choose to not believe it, but it’s deceptive to imply they don’t say it’s local.
If you don’t believe them it’s one thing but they said what they said.
Thankfully we can federate bot posts to make that easier :P