“Getting rid of social media” is impossible. As noted above, defining what is social and what is media, among other things, is complex enough, and there is no effective way to ban specific types of communications platforms that I can see. Social media at its root is people wanting to communicate, and they will find a way. Unless you shut down or totally monitor the Internet in a draconian fashion far exceeding even China’s way of doing it, I think it’s a chimerical goal.
That doesn’t mean the critiques of social media are wrong–it’s pretty much a cesspool to a large degree, though there is a huge amount of positive or at least anodyne activity on social media as well, not even including the vital role it plays in business these days.
But the more interesting questions are those raised by @Enidigm about democracy per se. Democracy is a type of social contract, a system of organizing and governing. It’s a process, not a result. As such, democracy does not guarantee specific policy outcomes. When a society chooses to be democratic, it says it is valuing the process over the results of that process. In a democracy, the way people interact politically and the system governing the use of public power are the core values. In such a system, you agree to accept policies and decisions with which you disagree as long as they happen within the democratic framework; that is, as long as the people making those choices are elected democratically and all that.
This becomes problematic for a number of reasons, one of the big ones being that certain policies and decisions are so vital to people that it becomes more important to make the right decision that it does to maintain the right process. When a society values specific outcomes over the process by which those outcomes are obtained, democracy simply is not going to be the most reliable or effective mechanism for reaching those goals.
So you have to choose, usually. Of course, there are nuances. In the case of the USA, one could argue that the democratic system is being subverted, and that is leading to the bad outcomes, and what we have to do is fix democratic processes because the majority (which would be in charge if democratic processes were functioning properly) would make the right decisions. That is still dodging the real question though, because at some point you will almost certainly face a case where democratic processes are functioning fine and the decisions elected leaders are making accurately reflect the will of the people–but the people are a bunch of fucking fascist pigs.
Then, ah, well, democracy does not look so good. But if you ditch it for a benevolent authoritarianism, committed to doing the “right thing,” how long until that spirals into the usual dystopian mess?