Thoughts Upon Watching Prometheus

Q: Wait, what?! Why does the Engineer kill himself to seed the pretty rockworld with life? Couldn't he just, you know, use a pig carcass or something? Or get some chimps to have a tea party and spike their PG Tips with the black goo? Why would he kill himself to do this?A: Well, wouldn't you, if your entire species were fucktards? Clearly he's killing himself in a fit of pique at the WTF Quotient