Kill all the billionaires -> another crop step in to fill the power vacuum - likely more likely to hire excellent security teams.
Revolution, overthrow capitalism -> the power hungry psychopaths who wanted to be billionaires pivot and seek positions in seats of government power. They continue living lives of opulant luxury on the public largess, and propagate fossil fuel and factory farming industries since this is one of the ways they skim their wealth from the public coffers.
Reform, throw out all the opulant bureaucrats. Maybe murder them. Introduce a new level of transparency in government. Install leaders who follow the public will, even to their own detriment. But the public will likes things mostly the way they are, and doesn't want to give up their cars because they are used to them and see them as a symbol of their success in achieving whatever socioeconomic status, and doesn't want to give up meat because meat is delicious. Because everyone likes getting things for free and the elected representatives do exactly what the public demands, entitlement programs grow rapidly while taxes stay the same or get lower. No one does work, because perfect communist utopia provides people with all their needs, so people just spend all their time driving cars and eating meat. A few do-gooders talk about how we are destroying the environment and going bankrupt. Everyone tells them to shut up and stop being nerds.
Economy collapses due to no incentive to work. Everyone admits that capitalism was pretty flawed, but was still pretty good at getting people to build houses and shit even when they would rather be driving cars and eating meat. Start capitalism again, but with better rules about lobbying and regulatory capture and all that jazz. Also, better education and support for children so the next generation grows up less fucking stupid. Elect good politicians who are good at spinning necessary hardships to their constituents. Apply a carbon tax to meat and gas and give people the tax money directly, because most people feel like they come out ahead when they get free money.