Can Private Companies Censor If They Want To?

Commentary
It’s like clockwork. Every time we get a new batch of proof that Big Tech companies have been censoring information related to COVID controls, vaccines, or other controversial topics, someone pops up with the same argument.
They say these are private companies and they can do whatever they want. They aren’t violating the First Amendment because that applies only to government. Private companies get to make their own law.
Ask yourself why a private company would engage in activity that directly contradicts their own mission and profitability metrics and do so systematically over a long period of time. For example, why would a carpet-cleaning company spread mud all over the floor and leave? Why would a fast-food restaurant put sand in its chicken sandwiches? Why would a candle shop sell a floral candle that when burned actually smells like a skunk?…