This could be done by overwhelming them with love so much that they do not want to go on with their destructive lifestyle.
After this is done you can start thinking about how to change our own life.
Blaming the rich is a scapegoat excuse that encourages most people to continue consuming beyond sustainability.
We need massive behavioral change that starts with everyday people, not the rich. Only then will the rich be held accountable.
Unfortunately, most people don't want to think about reducing their meat intake or not bagging their produce in plastic because that's too much work. This enables the rich and corporations to continue destroying the planet because we constantly have excuses.
Population reduction is not a viable solution. It is both ineffective and morally incomprehensible.