I respect your right to your opinion. Isn't it great that we all have that right? Please don't take this personal because I'm just trying to illustrate a point. This very attitude is why we find our world full of the toxic things that you mention. Sure! It's just chemicals on an egg shell...
I understand the other person's concern. These tests don't tell the whole story. What about the gases from the alcohol and glycol, both toxic substances, and something that's very obvious just as soon as you remove the lid from a marker? Just because the egg hatches doesn't necessarily mean...