That at least used to be true when publishing was centralized. These days you'd need access to a lot of servers in a lot of countries to be thoroughly historically revisionistic.
Or just introduce a social credit score system and even more mass surveillance so you can punish everyone with the temerity to attempt to educate themselves. So, I guess that'll be coming soon.
Hey, who doesn't like at good ol' fashioned blackbagging and a free drive in the party van at 3am? If you're lucky, they might even throw in a rubber-hosing. Your neighbors 'didn't see nuthin'.
You had no way to know it, but you have just addressed a profound travesty: You see, this is the first time I've heard of Brother Ali.
...And this is some exceptionally good shit. Thanks, man!