"I am not on the team. Its just an interest to me. I'd offer my services as a coach, but I'm sure you remember Draco Malfoy, he believes he can do no wrong in anything. Obviously that isn't so, other wise he never would lost the match. If he chooses not to use what help I can offer, I plan on taking my services to other teams."
Honestly, he didn't care who he ended up giving his insight to. Slytherin would benefit from it, but he knew there was a chance Draco would ignore his offer of help.