I mean, the cattle itself is turning a green pea into beef through a highly complicated and expensive process. Call me a scientific reductionist but there's no reason you can't theoretically replicate that in a lab.

I don't see anything in the Beyond Meat ingredients which is a scary chemical. It's just various plant proteins, starches, and oils that we've been eating for millennia already. Plus some fruit coloring, vitamins, and the like.

That's not to say it is automatically healthy or a useful product (e.g. one can certainly argue about too much "tropical oils"), but that also doesn't make it automatically dangerous either. That is called the naturalistic fallacy.