Strata levies are based on the Unit Entitlements set by the developer and are based, loosely, on the relative value of the apartments. Thus a large apartment on a lower floor with no views can have lower unit entitlements than a smaller unit on a higher floor with views.
However, in the past some developers have artificially lowered the levies on premium apartments to make them more attractive to big-spending purchasers.
The problem for the other owners is that it can be horrendously expensive to get the levies adjusted to a reasonable level because you need surveyors and lawyers and the people who are going to have to pay a lot more will fight any changes. Often owners will decide that the benefit of having their levies lowered was outwieghed by the cost of getting it done.
One of the few cases that I have heard of where it was worth the apartment owners having the UEs recalculated was a development in Sydney where a supermarket on the ground floor and basement had lower levies than one-bedroom flats in the building above.
That said, it has become easier in recent years to do this as the courts will accept sample surveys of apartments rather that wanting every unit in the block to be surveyed so that comparisons can be made.