So are all our ideas we share with AI intended to be used agsinst us?

Used against us can cover a lot of ground. And people might differ on definitions. I don't expect minority report pre-crime type of stuff. I expect predictive and manipulative advertising. I view that as being used against us. Marketing professionals and business executives might view that as providing a service by showing things you might want. The marketing and business folks are wrong though. I don't know what illness they have, but most folks don't like being advertised to.