Thats not the full story. It works on many sites, but some (ft.com as an example) have more severe countermeasures to bypass the paywall. Therefore the ladders

Thats not the full story. It works on many sites, but some (ft.com as an example) have more severe countermeasures to bypass the paywall. Therefore the ladders modifies the served HTML from origin to remove such. Those rules still need to be build up. (by me or the OS-community)