Life-among-the-ruins of old technology. Accretion, aggregation, accrual. The lifecycle of systems. The author has their own pretty direct answer for you:
> if only because I thought it'd be interesting to watch such a legacy, time-worn piece of automation come back to life.
> ...and it was [ed: coming back to life]! I got to see the terminal boot from a quite sophisticated script and the sound of everything settling into place was enchanting, pitifully.
Being perceptive & interested in the world is what hackers do & are.
> I would encourage the owners of that car wash - if they happen to see this - to contact MFA Corporate (my employers) at their main phone number. Ya never know - they've expanded stores a lot and they might be interested in the property.
Maybe the owners of the that car wash will contact MFA corporate to inquire why one of their employees was messing around with their equipment.
Sorry... I'm gonna stop definitively just tossing content on here when I think it might be interesting and occurs to me. The two? times I've been on the front page (including this one) have been (not exactly intentional) and embarrassing.