Quote "74.85% of you stood with the Tieflings, and 25.15% of you sided with Minthara. Good outweighs evil, it seems. "

Minthara is evil BUT has unknown motives and worships a fictitious deity. Supporting Minthara isn't as much "evil" as stupid. Evil characters are by definition self serving so evil characters are more likely to kill threats and eliminate competition given the opportunity. Manipulating druids to for selfish need while robbing the Tieflings blind to supply you with resources enough to eliminate the "greater threat" isn't "good"......IMO. The greatest villians hide in plain sight under the guise of "paragon of", seriously look at "insert any politician".

So in conclusion the motive + methodology = allignment

Mmm what would be pretty cool would be a questionnaire to determine your allignment.