I think people are really just missing the point or just people are dull in general. He's not saying the two are anything alike, just that one is being blown way out of proportion, while the much worse act is being largely ignored.
He was equitted. AKA according to the law he didn't do anything wrong. The much worse act, never happened.
That doesn't stop Niner fans from accusing Sherman of PED use or the team in general. That is the point as I understood it. Niner fans like to bag on Seahawks fans do to PED usage and don't stop at Sherman in fact they are pretty much on a crusade regarding Sherman.
Harbaugh on record for stating that being abusive towards women is unacceptable and then goes along with signing this guy. Obviously the guy talks out both sides of his mouth. He really needs to learn to keep his ignorant mouth shut.