So, as you see, contributing as little as a thousand dollars gives you enormous power over the future of mankind, at least if your ideals regarding the future are "coherent" with Eliezer's

What - you mean: in the hypothetical case where arguing about the topic on SL4 has any influence on the builders at all, AND the SIAI's plans pan out?!?

That seems like a composition of some very unlikely unstated premises you have there.