Wings can be acerbic and abrasive, yes, but as far as I'm aware the information on there is cogent, referenced and accurate.
That's the sort of thing that's the biggest target for deletion/removal. (He's already banned from Twitter, of course).
You can be as acerbic and abrasive as you like, as long as you're not telling inconvenient truths, and causing problems for those with the power to silence you.
(cf nearby thread about Posie Parker being banned)