nedjer
Adventurer
If you read a bit further down, they also claim that this is an accurate representation of the population at large.
In other words, it won't answer each and every question, but it will answer the questions asked.
Only if the questions asked are based on how humans think and act instead of exactly how people don't act. You may be a calm storytelling bard one minute; then you eat two doughnuts, get a sugar rush and your whole style of play changes; then the sugar wears off an your system slumps for a bit; until your prospective girlfriend walks in and gives you a shoulder rub as she chooses the seat next to you . . . people are simply not fixed points.