Interesting. So the browser knows your browsing history like every browser does, but it uses it to share some distilled data. Yeah, I definitely don't want that. Looks like I already totally disabled it though, so I'm good I guess.

Privacy and security > Ad privacy

Ad topics: Generates a list of your interests based on your browsing behavior.

Site-suggested ads: Allows advertisers to retarget you based on your interactions.

Ad measurement: Enables advertisers to assess ad performance.

Toggle each of these settings to "Off" to disable them.