For each VCS, you had to pick between love, like, meh, bleh, and ptooey (I don't remember the exact word options). The infographic attempts to just merge those into degree-of-like, which I believe was done by assigning weights to passion and then averaging.
I think you missed the point. The graphic doesn't effectively communicate the underlying data. I was also thrown by the graphic and words. 3 hearts/stars/whatever to me means average. Zero people saying they love a system to me indicates less than average. I don't fault you for trying to communicate it the way you did, it makes sense from one perspective, but from a user standpoint it's confusing when combined with the text.
