>If you’re spinning up a personal CMS, great. Have fun, you’ll learn a lot. But once you’re dealing with multiple users (tens or hundreds) it’s a different problem.

Is it? Django was just a personal project that started as a CMS for a newspaper. And that's pre-AI, and pre tons of libraries handling all kinds of functionalty like 2FA to offload features to.

And the core backend design and functionality for a CMS is a stable target that hasn't changed in 3 decades, unlike with other software.