That’s the thing—it’s basically an issue of idiot-proofing. Many things are “safe if done properly” and still are not a good idea because people in general are pretty bad at doing things properly.
Flush toilets are idiot-proof to a remarkable degree. Composting human manure, I have my doubts.
Flush toilets are idiot-proof to a remarkable degree.
Almost all of them are, but I’ve seen a couple of them which are very easy to accidentally flush improperly in such a way that water will keep on running until someone notices and fixes it.
That’s the thing—it’s basically an issue of idiot-proofing. Many things are “safe if done properly” and still are not a good idea because people in general are pretty bad at doing things properly.
Flush toilets are idiot-proof to a remarkable degree. Composting human manure, I have my doubts.
Almost all of them are, but I’ve seen a couple of them which are very easy to accidentally flush improperly in such a way that water will keep on running until someone notices and fixes it.