I could be wrong but I am pretty sure I saw somewhere that is was not advised to climb with the muddy sticks without a half hitch after it goes through the cam. I saw one video where when he stepped on the stick it slipped and he said the instructions said the knot is required or they will slip.
Yep. Do what you are comfortable with. I have never had an issue but that's not to say that I never will. It's just risk I am willing to accept. Be safe out there.