One reason outfielders don't have stronger arms might be they don't practice as much as we did. Most teams today don't take outfield practice. Another reason is baseball has to compete with other sports now - basketball football soccer - for the better athletes that might have more skills and stronger arms.
I am not going to claim that modern anarchism has any direct relation to Roman jurisprudence but I do claim that it has its basis in the laws of nature rather than in the state of nature.