Quote Originally Posted by Collin_Sky View Post
It is immensely valuable for diagnosing wipes. Being able to see what mitigation people had, being able to check how much they were overkilled by, how many heals they received leading up to wipes. This is invaluable for progression.
You can get all this information in the in-game battle log or by talking to your party members. You should be able to prog a fight without looking up other people's logs and using them as a guide. Sounds like you're using FFLogs as a crutch.