It's a very important message. We, humans, are great at aggregating visual patterns. So, most of the time, it makes sense to show raw data (and we can make our

It's a very important message. We, humans, are great at aggregating visual patterns. So, most of the time, it makes sense to show raw data (and we can make our own conclusions/observations) rather than aggregate it to much (there is no possibility to go the other way).