What does it take to be considered a 'good' player?

[NephthysVasudan]

Answers here seem extremely vapid and generic bs, so I'll throw my 2 cents in.

1. Know your job inside out. Know how to get the maximum out of it. That will require a lot of time as you will encounter some situations where you will have to deviate to squeeze the most out of your job.
2. Know the fights. Job knowledge is great but only when paired up with encounter knowledge. Watch guides, join learning parties, farm the ever living heck out of a fight aiming to do better.
3. Do not be afraid of asking questions to others and be open to feedback. This is something this community seems to have issues with but it's what differentiate average DF plebs from an actual "good" player.

Also as an extra, avoid this attitude.

Being complacent leads to lazyness, lazyness leads to easy mistakes.

Snobbery makes things worse.