Remixes: real music or a cheap way to get attention?

As stated above I like remixes that gives the song another tune, not just like the same song with a bass and electronic instruments.
Perfect example:

 Spoiler

[video=youtube;Ia5oK4PCCoM]http://www.youtube.com/watch?v=Ia5oK4PCCoM[/video]

I don't see this as a cheap way to make music.