They have shares in and hence control of many companies, including the media, who support them. They make political donations to influence parties. They deliberately create problems and crises so the world will accept their solutions, which is more of their control. Government policies are advised by unelected beaueaucrats linked to and influenced by the powerful. Newly elected members of parliament are lectured that they must vote as the party dictates.
Genetic engineering gives multinationals more power over food, crops, seed collecting and farmers.
To protect their interests, the media often give no publicity or bad publicity to good ideas or parties. To obtain greater wealth and power, and less competition, most politicians, multinationals, banks and trade unions are trying to destroy the poor, the unemployed, and the small businesses who mostly earn at, or below the pension rate, despite often being the hardest workers. In many countries, the cost of goods, services, rent, interest rates and wages are too high, and hence destroy businesses, economies and exports. High costs cause unemployment and poverty, and often contribute to drug addiction, suicide and crime. Instead of enabling small businesses to produce products much cheaper, the government imports identical products to those produced locally.