It's a good list, although I think there's more to it even. I wrote a bit more about helm design a while ago [0]. Nowadays, I use Helm from kustomize quite a lot because some projects don't provide any other way of deploying. However, you still need to check what helm is actually generating, especially if there's any hooks that need to be replaced with something declarative.
Internet computer [1] went online recently. There are a bunch of apps already developed by the community on its version of smart contracts [2]. Some examples:
[0]: https://littlechimera.com/posts/helm-design/