I'd say that Bohemian Rhapsody was more groundbreaking in that regard. That music video was the first of its kind and is what set the precedent for future musicians to create videos to accompany their singles.
Money For Nothing. dIRE sTRAITS
This isn't as daft a shout as it may appear at first glance....
The video was groundbreaking and probably chnaged a lot of artists approach to the use of videos for songs/was at the forefront of how important videos became to the music business in the 80's and how MTV worked.
Not a bad shout that.
Don't get me wrong i am not suggesting that Money for Nothing is in that top tier of all time most important songs - but it was very key in the whole 80's video era and mtv surge....for the video of course....was it the first one shown on mtv europe? think it may have been...
Bohemian Rhapsody being much earlier was as you say groundbreaking for the time with its video but videos still hadn't really become all that important back then and i am not sure if it did influence others all that much due to the time.
It is an interesting subject though this one - and is one that as it gets discussed more has good little offshoots like this/can bring some interesting discussion points to the fore.
The Anarchy in The UK shout that somebody made is an example of an incredibly influnetial song that is probably not always recognised for just how historically important it is.