What Do You Lose With a Static Site?

Image credit: Giuseppe Milo
You may have thought about switching to a static site, but what do you give up? If you're moving from a fully-featured Content Management System, you lose a lot. Like many choices, it's a tradeoff. A CMS offers many features and capabilities, while a static site excels at speed and simplicity.
There's static, and there's sorta static.
Image credit: Televisions with Static by Alpha - CC BY-SA 2.0
I'm migrating this website from Drupal to Gatsby.js.
This site has been running on Drupal 7 for almost exactly 10 years. I originally created it to get a free beer at the Drupal 7 release party on January 11, 2011. Not a bad run and Drupal 7 still has nearly 2 years left before EOL.
The main reasons to switch away from Drupal are:
Yes, I did actually return from Colombia.
Cleaver Barnes interviewed on Opensource.com.