1) the other way around - being the sort of person who notices these sorts of things inclines you towards (or is a good indicator you are also heading towards) engineering & CS;
2) knowing it could be different, having some idea how the lift display firmware is implemented makes you think 'oh but it could so easily do this why doesn't it', etc. If you have no idea how something works (or don't care) then you also don't really have a grasp on the limits of the black box, or how readily it could be improved.
1) the other way around - being the sort of person who notices these sorts of things inclines you towards (or is a good indicator you are also heading towards) engineering & CS;
2) knowing it could be different, having some idea how the lift display firmware is implemented makes you think 'oh but it could so easily do this why doesn't it', etc. If you have no idea how something works (or don't care) then you also don't really have a grasp on the limits of the black box, or how readily it could be improved.