Your concerns about the potential pitfalls of establishing a censorship regime are 100% warranted. However the paradox of tolerance, as described by Karl Popper, is quite relevant here. Popper posited that for a society to remain tolerant, it must have the right to be intolerant of intolerance. This seems contradictory, but the essence is that unchecked tolerance can eventually be exploited by the intolerant, jeopardising the very foundation of a tolerant society. Popper emphasised that the intolerance which shouldn't be tolerated is that which refuses to engage in "rational argument". It's crucial to strike a balance to ensure the preservation of free speech while preventing its misuse.