Not A pirate by any definition, it's publicly released for free, by the author. Nothing is being illegally downloaded here. If he were to go out of his way to find a copy before alorth releases it, sure, but he isn't, he's waiting here for it. I think this same discussion happened in this thread not to long ago.
piracy
plural piracies
1 : an act of robbery on the high seas
also
: an act resembling such robbery
2 : robbery on the high seas
3
a : the unauthorized use of another's production, invention, or conception especially in infringement of a copyright
b : the illicit accessing of broadcast signals
Your won link, point out which one he is doing.