One thing they're missing here is that optimization is also about optimizing resources, not just the speed of an individual request/response cycle. If each requ

One thing they're missing here is that optimization is also about optimizing resources, not just the speed of an individual request/response cycle. If each request takes 50% less time, the app has 100% more resources to handle other requests. So even though the individual users don't feel a difference, the app as a whole is much more efficient.