Are we sure he didn’t tweak it to have prompts that only give now or later option without a way to say no? Maybe he also set it to restart to install updates but only when he’s in a call or has more than 30 minutes of unsaved work.

Near the bottom of this article https://www.abc.net.au/news/2015-09-23/tim-bowden-reflects-on-life-as-a-vietnam-war-correspondent/6794678 appears to be the source for this image