Andreesen said that one mining pool had veto power over system changes.  I don't think that, in itself, is a big deal.  I know how to encrypt my wallet. 

On the other hand, I have no real understanding of what he's talking about.

1. Where are the "rules" about these large mining pools?  I didn't see it in Satoshi's white paper.
(please answer!)

2. Why does this matter?  Does the person who is awarded a block get to "control" it forever?

3. Instead of some commie a$$ appeal (sorry, I'm and 80s kid) to donate to smaller mining pools (which some of you were making), why can't I loan them to these "more virtuous" mining groups and get kicked back some of the discovered blocks, thus receiving a return on my investment - rather than "DONATING?"
If so, could you please such an enterprise!

4. Sorry if I sound like an arrogant buffoon that has a Bobby Knight poster on my wall, but I doubt I'm the only one who has the same misconception.  I'm buying BTC to try to make $$$ and am "tech-challenged."