A huge probability for who?

Organic products don't have the problem but processed products do.

Food poisoning come from man tampering with organic foods that are already good for consumption.

Look up how to make kefir, You put milk and the culture in a jar and let it sit at room temperature for days or weeks to let it ferment and then drink it, people have been doing it for hundreds of years.

In fact people have been eating raw foods for thousands of years and still do.