"sorry for the sarcasm, but seriously you've probably spent more time complaining about this then the time you actual spend doing a google search on an interested Item. "
Sorry for the sarcasm, but providing all the pertinent information on a a component is extremely beneficial for both the buyer and the seller. If one is looking to buy, then being able to view the rear panel of a component is arguably more important than a picture of the front panel.
The onus is always on the seller to put in the work.