I get what you're saying but it’s not really an impactful argument. We don’t really “need” most things (except food and water, etc.) but that doesn’t mean they have no value or don’t bring us enjoyment. Sure, we don’t “need” social media, and you could probably make a case that the good outweighs the bad, but that doesn’t mean that it has no value or shouldn’t exist. I have a lot of concerns about privacy and there’s a lot about social media in general that I think is problematic, but I also get a lot of use out of it and there are definitely benefits to using it.