In human economics scale and quality are most certainly in tension. Rolls Royce hand assembles their cars because it’s easier to guarantee quality when you have

In human economics scale and quality are most certainly in tension. Rolls Royce hand assembles their cars because it’s easier to guarantee quality when you have masters doing the work. Toyota on the other hand gets the cost down because it’s mostly automated with very mostly unskilled labor doing some work. At some point you can refine scale where you also automate the quality issues away, but there’s always still that tension.