They also didn't prevent the abundance of pesticides and herbicides which may cause immune responses to other things in food. Then there's all the microplastic

They also didn't prevent the abundance of pesticides and herbicides which may cause immune responses to other things in food. Then there's all the microplastic and teflon and whatever else seeps into the food supply from industrial equipment operation. We've not only eliminated a lot of "dirt" but introduced a lot of things which can cause issues whether due to volatility or chemical stability causing inability of the body to clear it up.