You’re being self defeating if you think democratically deciding what to use society’s productive forces will always be worse than Elon Musk using his government contract money to buy twitter so they stop making fun of him. Every example of socialism being applied at scale is evidence that it works. In the 20th century the greatest reduction of poverty in the world happened in the USSR. In the 21st century the same thing but China. Even against the headwinds of the largest and most powerful empire in human history having a genocidal desire to destroy them.