a few people hold the capital
Capitalism does not enforce a minimum amount of population holding capital, so it can be reduced to 1. Feature, not a bug.
Capitalism is the same as every other system that’s gone before
Every other system? How many systems do you think we have observed in all of human history? What do you believe to be the earliest system ever devised?
No other system ever increased the minimum amount of people owning capital to be higher than a few?