It is & Always has been Plutocracy, Not Oligarchy
All of history has been based on he golden rule — those who have the gold rule. It’s called plutocracy. Using term oligarchy in incorrect. It assumes a fixed number of players always in power. But those in power rotate while plutocrats remain and merely change their bets on who will best serve their interests. Not conspiracy, just shared self-interest.
Your plea here is for people to stop giving money to some but is okay to give to those you think worthy. That’s silly.
You need to think most systemically. The system is the problem. Suggest you might want to read some of the articles on my Medium publication, A Passion to Evolve, such as