people that use "parse" instead of DPS are mostly the type of people that don't accept anything lower than their own DPS in groups and get toxic if any other can't do the same DPS
I always feel the burden of my CPs XD I know someone will think "he got to know everything" and when they discover I don't, someone will likely get mad at me - ehh, whatever... (Luckily guildies are good ^^)
Don't worry. Us dungeon vets can spot a newbie straight off, and it ain't your CP we are looking at.
Low level PvE players are often examples of the Dunning-Kruger effect. The night market was rampant with them and they often make random normal dungeons a nightmare.
Most people citing the Dunning-Kruger effect misunderstand it and apply it incorrectly, ironically demonstrating the effect themselves.