The irony is that the majority of people that need this don’t have the cognitive time or skill to process and set it up for themselves. But the agents and bad actors like North Korean hackers would absolutely have the time and ability to implement and use it. Then you have the market for lemons problem - if requests coming from here are malicious most requests coming from here will be seen as malicious. Aka dark alleys earn their reputation over time.
Pathetically, people probably won't even erase cookie, let alone JavaScript. To begin with, any websites are not designed to be viewable without js. There are countless ways to find fingerprints. It is impossible to prevent tracking anyway in current the internet.