Name 15/01/26(Mon)15:59 No.23344
Sometimes they get extremely pissed because their art is shared in another websites, specially if they are payed websites. Although I don't know it for sure, it wouldn't surprise me if that was the reason he closed his website. They are often extremely protective of their art.
Also, the website is open and he has his pixiv account, but there's been almost nothing new in many years. It wouldn't surprise me if he shared his art only with a few select users he trusts; and he wouldn't be the first one to do it. There's one artist I've been following for many years that did it (non-Evangelion related), his account is closed for everyone but a few old-timers of his art.
Fortunately, even though I'm not Japanese and I don't speak Japanese, he shares his art with me and also the password to his websites. Of course, whatever he does NEVER leaves my PC. A pity, because he's fucking awesome.