Its critics wrongly accuse the law - which makes users liable for bad speech acts, not platforms that carry that speech - of being a gift to Big Tech. That's totally wrong. Without Section 230, platforms could be named to lawsuits arising from their users' actions. We know how that would play out.
Back in 2018, Congress took a big chunk out of 230 when they passed SESTA/FOSTA, a law that makes platforms liable for any sex trafficking that is facilitated by their platforms.