It's not just buildings. Almost everything is framed this way. "Not harmful to humans" has been common for as long as I've been alive. Food, water, air, radiati

It's not just buildings. Almost everything is framed this way. "Not harmful to humans" has been common for as long as I've been alive. Food, water, air, radiation/light or sound. It's like if something is not known to be harmful to humans, then we are not supposed to worry our pretty heads with it. Well, I do care about all sorts of things that I can eas6 ignore/shield myself from but are harmful to others, including other living beings. I guess that makes me weak, or so I've been told