Having worked in ad tech, I didn't know anybody who wasn't running an adblocker in their primary browser.

I heard that Google had to rename some CSS names on their ad management portal (that understandably had names that began with "ad") to unbreak it when Google customers using adblockers were trying to manage their own ad accounts.

Whose bread is buttered by dark patterns.

Most of those engineers don't care much for privacy so I don't think they are to concerned with https.