We need to start doing web blocking for non-technical reasons

If the USA and Europe decide to got this way, they will be (as in many other ways today) followers, rather than the leaders. China already does large-scale net censorship.

Exactly, what this article is arguing for is essentially just the Chinese model of the Internet. The outside is largely inaccessible and the inside is tightly controlled by having political oversight over the large platforms.

No doubt this is effective at achieving the political goal it aims to achieve.