You have to admit, that responding to a very informative message comparing and contracting Solaris's networking stack with Linux's with

  Have you ever kissed a girl?
  - Bryan

is incredibly tasteless.

But of course that was long ago.

I don't think it at all appropriate to criticize what was clearly an honest mistake with a call for his employer to fire him. I would expect that of the masses on Twitter and commenting on the PR, but not of Joyent or Cantrill.