The guide seems to have been written a while back by someone from Argentina. Is it possible that the concerns you raise here are geography/time dependent? E.g.

The guide seems to have been written a while back by someone from Argentina. Is it possible that the concerns you raise here are geography/time dependent? E.g. maybe Argentina doesn't have much of a parasite problem, or that when the guide was written a few decades ago pallets weren't treated with insecticides. (the author seems to have a following and be somewhat respected otherwise, so I'm curious)