[the8472]

Container/VM management software may already provide a way to remote into them, so that would be redundant.

Plus it's a minimal image, you can build your own intermediate one on top of that with SSH added.

[sofaofthedamned]

They don't necessarily give you a way of getting into the node, especially if it's in a broken state (which is the time i'd want to have a look)

EDIT: I was wrong, this is made to be a container base, not for the nodes themselves (there is no init system)