Well, meatSim, I've observed that "being an ass" sometimes means pointing out that something isn't perfect and could use a fix. 

It's no different from critiquing renders or photographs.  Sometimes people point out that an image that the creator is asking to be critiqued is a bit overexposed or might be better with gamma correction and the reply is " stop bashing my art" and "stop bullying me".  Who's the ass there?

I'm not sure everyone can tell the difference between "the shoulder blades seem a bit too high" and "your figure completely sucks and I'll never use it."

So I've concluded that if something is free and doesn't meet my needs, I just won't use it, and will ignore calls for feedback.  If it's paid for, then I may or may not offer feedback because I believe that if you cannot accept at least some criticism of your work, you have no business selling it.

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PoserPro 2014, PS CS5.5 Ext, Nikon D300. Win 8, i7-4770 @ 3.4 GHz, AMD Radeon 8570, 12 GB RAM.