Which sites in 2018 still present multiple CAPTCHAs to users with cookies and JavaScript enabled?

I think the theory behind this project is that those problems are primarily caused by Tor's popular image as a 'fringe network for pedophiles and drug dealers' and that by making it more mainstream they can fix those issues.

(please more replies saying "that sounds really hard" and less replies saying "tor is not a fringe network for pedophiles and drug dealers", thanks)