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and tell me that it's "as far as you know" then.

WARNING: graphic. extremely graphic. i honestly don't understand how anyone could treat another living creature like that.

Sorry, you missed my point...

Clearly some forms of pain and suffering are easily observed!

But what about the pain and suffering you can't observe? Insects? Plants? Microbes?

My point is, by placing the moral threshold at "observable pain and suffering", you are taking the easy way out.