Earlier quoted context omitted.
We’re pretty sure they get reports from Chrome. A security researcher at my workplace was running an exploit against a dev instance as part of their secops role and got the domain flagged, despite the site being an isolated and firewalled instance not accessible to the internet.
Yes, I have noticed that creating a brand new dev domain with crawler blocking norobots file, it is not found on any search on Google, until I open the dev url in Chrome, then bam! watch as their crawler starts trying to search through the site just from opening the url in Chrome . This is why I never use Chrome. They scrape the Google Safe Browsing sent from chrome browsers and just do not care about privacy.
Chrome does not do what you claim it does