Actually, they have already suspended the service for sci-hub, albeit under a court order.

https://yro.slashdot.org/story/18/02/05/1944225/cloudflare-t...

Although Sagan was a great educator, Maxwell and Feynman deserve much more credit than him.

AirVPN similarly supports many projects including tor, ooni, opennic etc., but this "tech-savvy" guy conveniently chooses not to review it and many others including tor guard, due to issues in site navigation.

You can use a ssl tunnel to avoid DPI detection by your censored network or ISP. It will obfuscate your openvpn tunnel with another ssl layer, although you'll take a performance hit.

Packages like STunnel/stunnel might help(available for both windows/linux).