I concluded long ago that Politics is any process of human interaction which determines who gets what.
You are though, as ever, far too simplistic in your analysis. History is littered with examples of power gained in order to effect change.
Though not without its downside, Cromwell's 'chopping' of Charles 1 certainly made future monarchs a little more cautious and led eventually to a much more democratic society.
Many groups worked tirelessly to bring about social change and the improvement of the lot of ordinary people. Every social change in this country was resisted by people with your sort of mindset, yet progress was made.
The 1% have the upper hand at the moment, but it won't last forever.
Mull