The code is open source... Go read it...
If you can't, ask a friend who can or trust the community to have did it for you. The privacy is the statement number one of why people choose logseq, there is a reason...
I don't have a problem with how its written now, their statements on privacy seem to conflict with other statements they make about the future of the product. They seem very ambitious in way that a simple note taking app will not satisfy.