This isn’t a problem. CSS could already control what’s displayed and what effect it has. It could already make clicking “next page” open an invisible chat to th

This isn’t a problem. CSS could already control what’s displayed and what effect it has. It could already make clicking “next page” open an invisible chat to their account, your password box send your password as a message, and your message from a friend read anything they want. It’s always been a trusted asset. What might be a problem is developers not treating it as such.