Based some of the revealed history of some of these agencies, I feel like Hollywood is both closer and much further off than the reality of what happens. Closer in that history is stranger then fiction, and much further off in that these agencies are not monolithic decision makers and the hydraheaded nature of a political/bureaucracy makes for some strange decision.
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Essentially Malaysia law required ISP to drop DNS entries for some sites, local users started using public DNS. ISP started redirecting public DNS requests, and local users started using DNS over HTTPS.
The pirate wars continue in their arms races.