There are also several videos in the article that are hosted on the same site as the original article (so on the .ru site). Those are not included in the snapshot unfortunatelly. You'll see placeholders and the associated text that describes them but you can't view those via the snapshot.
It also contains a link to a GitHub repo at the end.
Do you not have DNS-over-HTTPS/TLS configured, or are you on some weird browser that doesn't support ECH [0]? I wonder how they blocked it if those are in place (unless you use the ISP's DNS), since the site itself is served by Cloudflare from wherever close to you, not from Russia (and so the actual SNI isn't leaked via the ClientHelloOuter field either).
For an ISP? Absolutely not. I get it for corporate firewalls, but I absolutely don't want my ISP blocking a country. It does absolutely nothing for security (domains aren't hard to buy) and I'm very happy with my ISP being a "dumb pipe". If I wanted more than that I'd use my firewall or something