Sadly, this "reply" is no such thing: no consideration of extensive info in this thread, just a silly, ignorant and ill-informed blog post supporting shark fin trade.
Cruelty is important. Yet so too is the shark fin trade's role in pushing many species towards extiction; notions of shark farming are just plain ill-informed: don't think you are original in suggesting this. If it was easy, or viable, would be happening now.
Chinese culture? Balderdash! – not Chinese culture of any antiquity; shark fin was formerly only for a very few, elite.
Tasty? I'm told shark fin alone is tasteless; just cartilage so you'd expect that. About all it does is add some texture to the soup, and of course adds some snob value.