Comment Hater 

A person on any video-sharing platform who looks for random/sad comments and hates/jokes on them for no reason.

Person 1: This video reminds me of my cat which just died.
Person 2: lol probably gonna be eaten by chinese people
Person 1: Why are you a comment hater you psychopath!

Comment Hater by GMDsomedude July 14, 2022

commenhater 

n.
1. A broadcaster or writer who attacks and criticizes instead of reports and analyzes people or events that's in the news.
2. One who writes or delivers a commentary or commentaries by attacking and criticizing.

There's a commenhater in alot of these commentators, especially on the sports channels.

commenhater by Mr. Terrence L. Trezvant January 12, 2009

Commenthator 

1. a) A person stating a negative opinion without a proper reasoning.

b) A commentator of sports who looks down to the players.
2. Commentators who make a bad job due to the lack of knowledge, attention to the game or have a monotone voice.

1. I usually avoid the comment section because there are too many commenthators.
2. Man, this is awful! You got to mute that match to enjoy it. This dilettante commenthators.

Commenthator by AgileIndex October 12, 2015