I did not know this is how the e-bay rating system works! For some reason given this information, I changed my mind. When the buyer had 5 stars to choose from

I did not know this is how the e-bay rating system works! For some reason given this information, I changed my mind. When the buyer had 5 stars to choose from (in my mind, and I thought they granted only 1) it seemed abominable to leave the bad rating, given facts. Seemed to me like their customer service was worthy of at least 3 stars. Now knowing that the scale is only three wide, it seems like a reasonable thing to do, leaving a rating of "minus". That's funny.