Private, locally over Tor.

To understand the challenges & pitfalls, to ensure LN payment reliability, to potentially use for income or side-businesses, to nerd out and understand its challenges, something to "pet" and keep balanced.

No plans for it to be a sandbag for the network. That said, I'm not sure there is a way to run a profitable node even today, without large scale, so I'm very comfortable with incurring some costs on a small separate stack, and to actively contribute for those around me that need it.

It's providing education and utility... not to mention is one additional (actively managed) node on the network.