It would be dishonest to say that there is no bias in crabby's, or anyone elses's, evaluation of your or anyone else's comics, but not like you claim. A comic is good or bad independent of its author, and none of us are going to hate a good comic just because of who wrote it. However, somebody's posted reaction is definitely affected by their opinion of and relationship with its author. If someone you hate writes and posts a very good strip, you might ignore it, or you may post a "Wow... you wrote a good one!" type response. If someone you like posts a crappy comic, you will probably just not comment.
...which is a long-winded way of saying that if you post a genuinely good strip, someone who dislikes you will probably not say anything, or will at worst give a backhanded compliment. You would have to be a bit of an arse to say bad things about a good strip.
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