The lives of animals are certainly worth less than human lives
Most people would agree with this. I'm not sure they would agree that vegetarianism puts your life at stake though. The relevant trade-off is animal lives vs. human well-being. (How much human well-being is up for debate.)
Right.
What do you think of this essay by Robin Hanson? Here in California we just enacted some sort of legislation that prevents people from keeping animals in cages too long, or something like that. It's my only hope.
I have noticed that among philosophers, vegetarianism of one form or another is quite common. In fact, I became a vegetarian (technically a pescetarian) myself partly out of respect for an undergraduate philosophy professor. I am interested in finding out if there is a similar disproportion in the Less Wrong community.
I didn't request that this go into Yvain's survey because I want more information than just what animal products you do or don't eat; I'd also like to see nuances of the reasons behind your diet. There are a lot more shades than carnivore/vegetarian/vegan - if you want to be a vegetarian but are allergic to soy and gluten, that's a compelling reason to diversify protein sources, for instance. I'd also like to hear about if you avoid any plant foods (if you think they're farmed in a way that's environmentally destructive or that hurts people or if you have warm fuzzy feelings for plants, maybe). Here are some questions that come to mind: