While I have some very strong opinions on the way Section 230 is being applied, it doesn't seem that either party is particularly interested in doing anything about it currently and they actively ostracize those that try (neither Donald Trump nor Tulsi Gabbard seems particularly popular amongst the other elected officials of their respective parties). That being said, moving away from the big tech firms isn't as difficult as one might think. I've been using DuckDuckGo as my search engine for months and I like it better than Google. I've recently started using the Brave browser in leu of Chrome and I'm quite satisfied thus far. There are certainly alternative social media options including Gab, MeWe, and Clouthub (it remains to be seen what will happen with Parler). The only big tech I've had less than satisfactory results in finding an alternative to is YouTube, though Daily Motion, Rumble, and BitChute could rival it if they get enough good content creators. If you don't like what big tech is doing, I'd suggest you first vote with your feet and stop using it to the extent that you can.