That sounds like saying we cant have laws which forbid things I don't like, and no laws against things I do like.
We have final arbitrators of truth, they are laws, judges and juries. It isn't a perfect system, and it might not scale, but I see no need to abandon the idea some things are fundamentally incorrect, and get rid of those things.
Then there's all the law enforcement agencies, the FBI, CIA, TSA, DoD, NSA, and more.
Then there's the side effect of laws, how many problems are we dealing with presently from supposedly good gov't laws from years or decades ago? A whole lot.
Social engineering via laws and judges is a simple minded solution and should never be considered the best or final solution.
The US has fallen a great way from the spirit of the first amendment when laws, judges and juries are not just a necessary component of a well ordered society, but are the "final arbiters of truth" on political questions.
We have final arbitrators of truth, they are laws, judges and juries. It isn't a perfect system, and it might not scale, but I see no need to abandon the idea some things are fundamentally incorrect, and get rid of those things.