It is not only Google that gives importance to Paid rather than organic, it is a condition of every business either offline or online, the person who is taking some extra efforts and capital investment gets higher priority.
And it is not true that PPC always gets the priority, you may also know that there are many factors to get rank even for PPC, that we known as "Quality Score".
Though PPC gets higher positions, it also gets higher rate of fluctuation, even for the same keyword for every time, user is searching.
There are many things to consider, and Google as a Search Engine Giants try to manage all the facilities that he is providing.
