1. collect money to cure cancer
2. commission your dog to do cancer research; pay Dog $100k US/mo
3. ? ? ?
4. PROFIT!
Substitute "forum" for "cancer" & "Slackage" for "Dog."
So, according to you, theymos' personal gains with this is basically him giving perhaps more money than he needs to for the development of the forum software?
If so, I don't particularly see how this is any sort of enrichment for theymos.