[dragonwriter]

> The reason why we want governments not to censor and control our speech is because they have so much power.

Specifically, the kind of power represented by the monopoly on legitimate use of force, which means their censorship obstructs the marketplace of ideas in which private actors decide which views to express and relay and success is by persuasion that the ideas are valid and should be adopted and relayed by others.

> Businesses have this level of power now.

No, they don't, except insofar as they direct the institutions of government, or act as arms of government in the form of protected monopolies on essential services.