Just for fun let's read Lev 15:22
Lev 15:22 And whosoever toucheth any thing that she sat upon shall wash his clothes, and bathe himself in water, and be unclean until the even.
Lev 15:23 And if it be on her bed, or on any thing whereon she sitteth, when he toucheth it, he shall be unclean until the even.
It doesn't say cast into the Lake of Fire, it says the person who does this washes himself and will be unclean until evening. So you don't go around eating finger food or shaking hands or coming in contact with others until you bathe and a period of time passes.
It is a cleanliness Law that if practiced would help prevent disease and sickness.
Now this society will tell you that is not necessary. Remember this, these same people think nothing of dumping sewage in their drinking water. Where does the effluent from sewer plants go?
What does God say?
Deu 23:13 And thou shalt have a paddle upon thy weapon; and it shall be, when thou wilt ease thyself abroad, thou shalt dig therewith, and shalt turn back and cover that which cometh from thee:
Composting human waste would be a better solution than flushing it into the local river so that the next town or city downstream can use it for drinking and cooking.