Without social media, we'd be left with mainstream media, which is a very narrow set of channels that those in power can control. Despite rampant censorship on social media, it's still the best way to circumvent propaganda and give people a voice.
Of course there is garbage in social media as there is in every field. Find the source if there is one recorded. Msm rarely if ever refer to any. And no wonder. It would risk undermining their publication, which they peddle as unbiased.
I think it can amplify propaganda but still give people a voice, which is better than no voice I think