The core of capitalism is about where ownership of capital (value producing assets) resides, that is, by private individuals.

What private individuals choose to do with their capital, chase infinite growth and profit or sit on it, is up to them. This is as opposed to say, state ownership of capital.

People confuse the stock market with capitalism. You don't need a stock market for capitalism to function. Publicly traded companies in the United States are legally bound to maximize profit (Dodge vs. Ford Motor Co.)