Sorry, but if you think that what Erhoff brought and what Garrison brought to the powerplay are comparable, you lose all credibility.
It doesn't take a hockey expert to realize the importance of a good skating, puck-moving defenceman. Why do you think they are always the ones nominated for the Norris trophy.
You seem to be coming off as a troll. Bash the Sedins all you want. They are(or should be) the most important, productive players on the team, but two players don't make a powerplay.