The Bt-toxin from Bt-bacteria is even a certified organic pesticide, because it's produced "naturally" by the bacteria. It's used in organic farming.
https://www.amazon.com/Bonide-Products-803-Thuricide-16-Ounc...
https://www.amazon.com/Bonide-Products-803-Thuricide-16-Ounc...
The endotoxin used in Bt corn is also 100% natural [1].
I'm not arguing for (or against) Bt corn. I'm trying to show that the language we used to describe GMOs is misleading. Something we think of as natural isn't inherently healthy or unhealthy compared with something we think of as artificial. The same applies to GMO.
[1] https://en.wikipedia.org/wiki/Delta_endotoxin