To an extent. Top quality videos will obviously have a lot of polish and presentation, but the quality of the video will also come from the skill used in the kills, the music selection, length, pace etc. If anything, music is one of the more key elements. Whilst dubstep/electronic is great in some cases, often it's associated (IMO) with 14-year olds going "OMG look at me leet kill snipe this guy, what a bad man", much on the same level as Bodies Hit The Floor. If it's chosen well, it'll compliment the video and go well with the desired pace.
EDIT - Rewatching yours, you couldn't hear weapons or anything from in-game. I don't know if it's just me, but it really bugs me when you can't hear in-game sound. If squeakers are speaking all over the track, then mute it, but IMO you should have the in-game sound there as well. Of course, music isn't nessecery, depends on what you do with the video.
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