Your reply reminds me of that saying, &quot;Who do you believe, me or your lying eyes?&quot;<p>If you can&#x27;t explain it in pretty simple language why HFT-level liquidity is beneficial to society as a whole--to the people working in shops, managing restaurants, dealing in real estate, and on and on--then I&#x27;m inclined to think you&#x27;re just trying to bluster about it.