Who gets to decide how slow is too slow?
BTC Guild right now.
Okey dokey.
Have you contributed any patches to p2pool to make it more efficient / easier to install / etc? If not, why not if you're so worried about centralization?
(honest question, I don't keep up with p2pool development because I'm personally not terribly worried about mining centralization)
Bitcoin mining for profit will be like farming profitably IRL. Farms gets larger and # of farmers gets smaller.