So, I do not use social media besides HN, but my partner explained to me the "magic" of snapchat commnets - they are only shared between the commentor and poste

So, I do not use social media besides HN, but my partner explained to me the "magic" of snapchat commnets - they are only shared between the commentor and poster, not all the followers. I think this lends itself towards intimacy, rather than exhibitionism. Seems it easier to be a troll on Facebook, not Snapchat.