Why are there 62 package builds. Is no one building packages? I thought your goal is packaging. Arch is more up-to-date.

How repositories are maintained and updated is all explained in:
https://kaosx.us/about/toolkits/ (second section)

As explained there everything in KaOS starts in the build repo, and moves to their respective repo after a specified time (core, main and apps are the stable repos in KaOS).

As you can see here:
https://kaosx.us/packages/packages.php?sortby=date&sortdir=desc&repo=build
there are packages build everyday.

KaOS is not bleeding edge rolling for core & main. https://kaosx.us/about/based/