"steal everything they can" Most people are talking about various valid use cases but it's this risk vector that I'm interested in. What exactly could a VPN st

"steal everything they can" Most people are talking about various valid use cases but it's this risk vector that I'm interested in. What exactly could a VPN steal from regular personal computing network traffic? Cookies and sessions? Web history and other meta-data? Does HTTPS / up-to-date encryption protocols stop any of this?