Uh...presentation is like half the battle. Just trying to say that looking classy helps.
My question to you is why comb your hair or wash or change your clothes if none of these things contribute to your survival as a human being?
And Movie Maker's okay for an editing program for easy-to-use purposes.
And WAAAAY more intuitive than something like Adobe After Effects, which makes something that can be fun like editing into something more akin to reading Latin.