What's the Point of a Fact Check?

Tucker Carlson was getting attacked every day because he merely made the suggestion that it was possible. The reason why what Smug just said is so important is that our social media companies around the country post 2016 when Hillary Clinton decided to ruin the internet. That's basically how they stop you right there. He raises this and they they went ham when not completely lost their minds. This is a now retracted fact check from PolitiFact. They gave Tucker Carlson a guest a pants on fire for a quote debunked conspiracy theory that COVID came from a lab.