[my kuso translation cuz the game's official translation is too kuso]
Bartender: Imagine showing your diary to the public.
Bartender: You're putting yourself and the world around you into mere words.
Bartender: In reality, it should be impossible to find anyone who's able to correctly identify the meaning of your words.
Bartender: And yet, we still write because we imagine our words alone will resonate and connect with some reader.
Bartender: Everyone is writing and publishing things on the web where the whole world can read but not understand them.
Bartender: There's no attempt to communicate a message or even a desire to put yourself in the limelight. Just mutterings/tweets.
Bartender: But everyone young feels like they need to do this.
Morishima: ... And you're also reading alongside them.
Bartender: Yeah, I'm just as sick.