The thing is, I don't use Kubernetes for convenience or because I need it, I use to learn it.
I was just fine with Docker Swarm before switching, but I wanted to learn Kubernetes as a valuable skill, and I know no better way of learning something than using it every day.
And the thing about Kubernetes distros is that they usually all apply a new layer of "turning Kubernetes' complexity into a turn-key process", and I don't want that.
If you know the ins and outs of K8s, sure, use any distro you like, but if you want to learn something, better learn the fundamentals first. It's like learning Linux's internals instead of learning how Ubuntu is, one applies to a single distro and the other will apply for every distro ever.