We've absolutely seen that people not exposed to certain types of bacteria don't develop resistances to it. There's a reason tourists have to drink bottled or s

We've absolutely seen that people not exposed to certain types of bacteria don't develop resistances to it. There's a reason tourists have to drink bottled or sterilized water, after all. That said, your compromise seems right, but it missed the point of the parent post. Living in a hyper-sterilized world is going to have consequences.