Wrong, capitalism exist since exist money and greedy people which govern countries, since Pharaons and Kings, since the concept of property.

You guys would have a very bad time in the 1500s let's be real

I don't think the Marxist definition of capitalism lines up with the colloquial definition. Colloquially, it's thought of as systems in which money is exchanged for goods and services. As opposed to communism, where it is not. (These are both oversimplified)

When people say capitalism has been around for thousands of years, what they mean is the colloquial definition. Redefining their terms with the Marxist version doesn't address their actual point.

Communism is human nature. Communism existed in the Americas and Australia for thousands of years. It probably existed in the rest of the world too before agriculture, but our historical records from other regions were destroyed. By contrast, Australia has the most intact ancient histories in the world.

Isn't capitalism itself not only like 100-150 years old?

Where does 500 years come from? Capitalism goes back at least 3000 years, right?

https://en.m.wikipedia.org/wiki/Complaint_tablet_to_Ea-n%C4%81%E1%B9%A3ir