I also will not trade in Cryptsy after they stole some coins - however, I do not know if they have returned them already - let's give them the benefit of a doubt.
I have not been logged in my account pretty much in 1-2 years, not even remember the password there.

However, exactly the increased liquidity is the bonus that Monero gets. I do not know how much it can be seen in the price but I am sure it has some effect. But not something we should pump Monero like folks did when it was listed in Mintpal.