Fishy - Once again you are plucking verse right out of context. Stop it it makes you look desperate.
Go back and check the context of Leviticus 22. It is the list of additional restrictions that applied only to priesthood and not to Israelites in general.
“Tell Aaron and his sons..." - Lev.22:1
A priest could not touch a dead body or have sex with his wife of do lots of other things that ordinary Israelites could do without having to go through a purification ritual.
The very fact that a priest could not eat an animal found already dead underlines the fact that other Israelites could.
It was forbidden to become unclean.
Nonsense. How could you forbid somebody from having sex for example? If your animal died you had to either eat it or bury it. Both resulted in you being made unclean. Uncleanness was not a crime. All you had to do was bath and change your clothes. No penalty for uncleanness. The only punishment was if you didn't observe the procedure to be clean - bathe and change.
You still have to explain Lev.11 and Lev.17
Stop avoiding the difficult questions Fishy,.
I explained all of that in detail in my article.