That's nothing compared to my car! It fires on all cylinders, instead of saving 3 out of 4 cylinders for a day when I will really need the power.

The reality is that nobody outside of HN cares about 8GB vs 16GB of RAM. You can do anything you want or need to do with an 8GB Macbook, including running a million dollar business, or working with anything creative on the highest level. If you are actually doing something which requires 16GB of RAM on a Mac, then you are doing state of the art tech stuff and should be rolling in money already and have no problem spending thousands and thousands on your computer.