Flesh Imp Caught Red Handed?

I was walking around in town recently and saw someone wearing this Flesh Imp tee:

Now compare that to this Threadless Design:


Even though a one-eyed monkey with half a brain and one scrotum could see that the only difference between both designs is the "Flesh Imp" logo in the middle. I don't know the story behind this, neither was I able to find info from the Flesh Imp site so I'll just leave it up to your fine judgment.

What's worrying is that this isn't an isolated case, check out the link for more:
COPYING DESIGNS IS BAD