@xj9 It's not really about spirits, but about a selective definition of "natural"
Everybody is eating these today even though the radiation-induced mutations were completely random in their effects and might have modified much more genes than just those intended.
Now, when we came up with a very precise surgical techniques like CRISPR that are safer than anything known before a bunch of undereducated activists or scientific crooks like Seralini are fighting them as "unnatural"...
Add around 100k years with other methods of genetic manipulation in animals, plants and bacteria.