I'm just re-reading Excession and I'd forgotten about the passage with the soliloquy of Genar Hofoen's module as it decides how/whether to kill itself. The whole thing's written with such a sense of hopelessness and resignation that it's hard not to feel a bit sorry for it.
Soon. The choice, the choice. He could spin a coin, but that would be… cheap. Unworthy.
He walked to the device that would destroy the embassy compound, and the city too, if he chose.
There was no choice here, either. Not really.