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Personally, I wouldn't go by Dero's opinions all the time. Even though he is an amazing graphics artist, sometimes he overdoes some of his pieces. He's gotten better recently, though. /pffft I've said this before
And if you ask me "too little effort" would be finding a background from Google Images or something, sticking a C4d on it without making any layer adjustments, sticking the render on the top without making any adjustments, and maybe adding some brushes without making any layer adjustments. It is possible to make such a thing look good, though I'd imagine it would be kind of hard to do so.
Also, I don't mean to be an egotist, but people love my icons :P All I pretty much do with them is resize/crop them, duplicate them at least four times and set said duplicates to different layer modes, flatten the image, and up the saturation. Sometimes I'll remove/adjust text or stuff that looks weird, or I'll make an icon with a white background gray, but that stuff isn't hard to do either