Screwing up a big erection is always a bad thing. For both sides.
See, I interpreted it as he was the big erection who was screwing something, not that the big erection itself was getting screwed up, i.e. interfered with. Thank you for the alternative perspective that is invaluable in growing as a human being and understanding the world around me.
Scotty's there because he's going to orchestrate a trade that has Stamkos going to the Hawks for Patty Kane, then Stamkos to the Wings for Datsyuk. Pav finishes his career by tooling us in the Finals until he retires, and we all cry.