Technic bricks (or really pins, axles, wheels) are a nightmare for any house with small kids either way, I think food grade plastic is irrelevant on that side.

On the environmental impact it's a good point, especially EU regulations. I'm not sure yet how much Lego's stance is marketing and how much it actually makes a difference, especially as they also have a factory in China and the bricks I'd get would come from there, but one can hope.