Earlier quoted context omitted.
> Sure, as a customer I could insist on my manufacturer having taken security seriously and having their products thoroughly tested and reviewed and hardened and patchable and all that good stuff How exactly would you insist on that? Ask them? Aren't they going to tell you, "Yes, it's very secure, no worries"?
> How exactly would you insist on that? How about "show me three different independent security audits by researchers or firms I trust who didn't find major issues in your product"? Sure, there needs to be a sizable group of people demanding that (and be willing to have it be the difference between a $500 and a $5K smart TV), but it is possible. For corporate IoT in certain settings, it might even be plausible.
Mostly because, as Mirai shows, the costs are external to the consumer of the broken device.