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> A Kentwood High School student programmed it when it was installed in the 1980s.

Impressive!

> Whenever the district has a problem with it, they go back to the original programmer who still lives in the area.

It is indeed impressive, but I hope there's a contract for this. Everything else about this story sounds insanely incompetent, so I... I worry.

In principle there's nothing wrong with a Motorola 68K running a system like this, but the rest of this is damned.

You'd probably be horrified to know what kind of systems still run most of the world's manufacturing, very much including modern chip fabs.

Ladder logic, written by peasants. (signed: control peasant that prefers ST)

Lucky you, my stakeholders would run screaming for the hills whenever they caught a whiff of written code on PLCs. All ladder, all the time.

A fart has been lofted in your direction

Would I? The amiga setup sounds totally fine to me. Aside from old HVAC equipment potentially wasting a lot of energy, I see nothing wrong with using a 40 year old computer to control everything.

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