This also occurs to me on my 2011 V6 Camaro, manual trans. In my case, however, it is usually because I am in too high a gear and downshiftting corrects the issue. It does just appear that the automatics are, as stated, maybe a bit too aggressive with fuel economy and try to get into the highest gear possible too early.
Before my Camaro I owned a 2007 Cobalt (automatic) and I had the same issue as what you're seeing with your Camaro. Never seemed to cause any major problems besides being annoying.