Rather good post by Wind there, I thought ...
The extremely impressive Baraghat (sp?) touched upon summat similar to this recently. Loosely it was about how some veg-heads become aware of the absolutely mind boggling enormity (mind not enormously boggled? It will be if you ever get there...) of the suffering that meat causes and carry the full weight of that on their shoulders.
M'personal tuppence worth is that it can't be wrong to be fully aware of the suffering around us. Yet it cant be right to allow that awareness to overwhelm us.
Nathan, if you are at least still reading .. The buddha never changed the world, nor even just every
one he shared his insight with, completely in just one lifetime. He just kinda kicked the ball (wheel, more buddhistly?) into motion, as it were.
On that basis it seems entirely reasonable to kinda be at peace with the 99.999999999999% certainty that "neither will I".
Quote from Gandhi: "Whatever you do will be insignificant but it is important that you do it anyway"
All the best to you matey and may you find peace with the things you see.