(am author) I'm actually going to touch on that Ken Thompson article in a follow-up about how sandboxing can improve not just security, but user freedom/control

(am author) I'm actually going to touch on that Ken Thompson article in a follow-up about how sandboxing can improve not just security, but user freedom/control too (if implemented a certain way). It'll go over how software itself should be considered untrusted (citing Thompson); however, even if it is "trusted", it still might consume untrusted content (often by reading data from arbitrary files or the network). Part of what it means to use free software IMO is having less dependence on a vendor, and reducing trust is one of multiple things that can work in that direction.