Found this vid about Palhares, interesting.

[Namek]

Still cannot believe people are defending his actions. Pierce didn't do the phantom tap. He started tapping and continued to do so. Any other fighter would have let go of the sub after the third or fourth tap

Dude nothing on Sherdog is a 100%, someone can walk into the cage with a gun and shoot someone and there will be some people claiming that it was fine.