Would explain the zombies, the dust bunnies, the mutations in certain specific lifeforms.
A mix of medical nanites, maintenance assemblers, information nodes, command systems, all jumbled together.
Doesn’t reduce the importance of the message, “Stay out of there!”, though.
Tsk-Tsk. We can send three Habitats out beyond Mars, but we can’t walk through the lower-level corridors the same way twice.