A central theme of Walled Culture the book (free digital versions available) and this blog is that the copyright industry is never satisfied. Now matter how long the term of copyright, publishers a…
"Hey there customer, if you want internet access on our network (the only one available in your area), you have to install our intermediary certificate on your machine!"
Not really, because the client system is configured to go through the proxy. That proxy will connect to the website and do filtering on the unencrypted content because it is initiating the connection.
Next it'll re-encrypt everything with its own certificate and serve it to the client.