I watched this yesterday and had several laughs. I understand that it's not a cinematic masterpiece, but it is actually pretty good, way better than a 40%!
"Bluish state" or "makes sense financially".... pick one because AFAIK they seem to be mutually exclusive. If you find somewhere like this with good broadband, please let me know so we can be neighbors!
Nextcloud can be self hosted very cheaply, or you can find some hosted instances. There are applications that can encrypt cloud storage for some services. I would recommend just getting a NAS or a VPS and running nextcloud on it.
The things keeping me from fully migrating to Linux on mobile are apps like Uber/lyft. They don't have a web ui version, but I actually use them often. Also google maps navigation doesnt have any realistic alternative in my experience.
I prefer to use ansible to define and provision my containers (docker/podman over containerd). For work, of course k8s and helm takes the cake. no reason to run k8s for personal self hosting, though.
I had just had my eleventh cake day