The actual quote is "nobody is stopping you" - because that imbalance means it's easier for you to also own the means of production. It's unequivocally true, and enjoyed by 10s of millions of small business owners and entrepreneurs which form the heart of the American middle class. It answers the why posed by the GP.
But yes, different places are different and life isn't fair. No need to cutoff any discussion of various economic systems and environments for the same basic retorts.
No, the imbalance doesn't make it easier for you to own the means of production at all. On the contrary, it allows for systemic exploitation that makes social mobility harder and increases the wealth imbalance over time.
But yes, different places are different and life isn't fair. No need to cutoff any discussion of various economic systems and environments for the same basic retorts.