Wash your hands or do not wash your hands when you eat

[Ferrocyanide]

short answer, No. 
long answer, He's not saying don't wash, He's saying what goes in comes out of as poop, it's the poop that comes out of the mouth (that comes from the heart) they should be worried about. Washing hands isn't what you need to be worried about.

That was my take on it - he was saying to be more concerned with spiritual defilement. I have to say that, while not generally a fan of Jesus, he handled the Pharisees pretty well.

Boru

They could not tackle Jesus mentally.
Jesus 1
Pharasees 0

There is an interesting show down happening between these 2 sects.