Does cooking GMO soy turn it into non-GMO soy? Deos cooking soy detox herbicides and insecticides? Cooking GMO corn has not prevented the genetically modified material from transferring to humans where it has been taken up by intestinal bacteria which are now producing insecticides in our gut.
What is really natural anymore? Most of our foods are filled with artificial sweeteners, dyes and preservatives. Animals are fed petrochemicals or things not part of their natural diet, such as feeding fish meal or ground up sheep to cows. Most of our crops, including some organic ones, have been selectively crossbred, which is not natural. Even most of your clothes are probably made from GMO cotton, and the seeds are used as animal feed. So the real question is why are you focusing all your energy on bashing soy and not every other non-natural thing we are exposed to? This shows a very biased agenda.
As for your question about does cooking destroy the herbicides and pesticides? Actually the answer is yes, many are destroyed. Herbicides and pesticides can be destroyed by oxidation. Heat speeds up oxidative destruction. And something else you overlooked is the fact that many herbicides and pesticides work through their estrogenic properties, which is also why they are carcinogenic. But as was pointed out previously soy's phytoestrogens are anti-estrogen since they lock up the estrogen receptors preventing estrogens and xenoestrogens, such as herbicides and pesticides from latching on to the receptors. If they cannot latch on to the receptors they have NO effect on the body.