Effective Altruism is bullshit and here is why; because, the invisible hand has already shown itself to be a far better lever of human good through the acceptance of human nature. "Helping people" implies you know what people need. It's a power position to begin with and thus designed to fulfill the doers goals of doing good not the receivers 'need' of being helped.

Each of us, individually, pursuing our own self-interests produce value to society and others as a whole. Whether through producing products, offering services, performing labor, or consuming goods, we all seek our own interests to the betterment of the whole.

EA is just a new sort of chivalry for a new wannabe class of Nobles. That's it.