A lot of the non-essential functionality is withheld from lower-point users to act as an incentive for using the system more. It's essentially an RPG. If you play enough, you get cool little additions.
There were technical arguments against not displaying votes but these have since been resolved.
And as people discuss herepeople discuss here, there are ways of working out what the breakdown is through the timeline, API or data.stackexchange.com.
