The site deserves all the money it can get.
If you've ever done what Ioi does, you'd know it's some pretty complicated stuff that few people would do for fun. (I like it, but like i said... very few... and even I am not so much in love with all that hard work to go out of my way to find info like that. Well i couldn't anyway since statistical programs are expensive as hell and I refuse to pirate.)
If he does get a little extra cash to pocket all the better as most people make a healthy chunk of change running that kind of thing.