Things like refined sugar, hydrogenated oils, a wide variety of food preservatives, flavourings and colorings are new and appeared an instant ago on the evolutionary time scale.

And the same logic applies to them as well.

My point is precisely that people in the Western world routinely consume large amounts of these "remaining substances" without a second thought.

There's this think called the organic food movement, you may have heard of it.

Why eating hydrogenated soybean oil, for example, is not risky?

It is.