The irony of US companies enjoying Section 230 protections while at the same time punishing other startups such as Parler for not censoring their user content e

The irony of US companies enjoying Section 230 protections while at the same time punishing other startups such as Parler for not censoring their user content enough, is not lost to me. "Cutting out a mans tongue does not make him a liar but proves You fear his words" Are companies that enjoy government protections, contibute vast amounts to political campaigns and count profits in fiat currency stored in government controlled exchanges really private?