Being a Dane it mostly seems to me that people defend their university a lot and it often correlates with where you grew up/went. So people saying Aalborg is the best probably grew up near Aalborg or went to study there. This is of course very anecdotal but when I studied CS in a CPH university nobody ever spoke of Aalborg. People spoke about KU, ITU and DTU. Sometimes Aarhus was mentioned.
Not saying Aalborg isn't great, but my general observation is people defend their university choice like it's holy. Probably the same in other countries :) so my suggestion would always be go where things are "closest to home". If you're a foreigner, pick the one closest to the airport for convience.
One example is from outside Denmark is another commenter in this thread mentioned the royal Stockholm uni, but forgot to mention Lund University (LTH) which is just as prestigious.
In the end I never noticed anyone caring except in jest. Never met anyone who cared professionally.