Our body can assimilate 1 Alcoholic Unit per day without any problems. I doubt those bacteria would produce anything in that order of magnitude so I truly don't understand your reply. Did you just blindly write: "alcohol therefore bad"?

Not sure why this was downvoted. The dose makes the poison here

>The average human digestive system produces approximately 3 g of ethanol per day through fermentation of its contents https://en.wikipedia.org/wiki/Ethanol_metabolism

Unless it gets past the stomach, into the intestine and ferments most of the carbs you eat instead of traces of the carbs ingested