Try looking up how much bandwidth costs alone, across two continent dedicated servers, and private servers with this amount of PH would cost on any two global co-location facilities. See if you think he's rich after that. Not saying he's living on a diet of Ramen, but he's not exactly lounging in Monaco either. He does have to keep a sizeable chunk of BTC in both backup Cold Storage and in the hot wallet for the pool at all times, just in case.
Also Eleuthria is usually extremely quick to respond. Assuming he celebrates it, Christmas may not be the time to expect an instant or even a day after response. Let the guy sip his eggnog.
Stratum is a very efficient protocol in terms of bandwidth. Here it is explained by eleuthria:
https://bitcointalk.org/index.php?topic=142073.msg1513665#msg1513665So how much bandwidth costs then? Is it maybe 1% of the monthly pool profit or much less?