It’s all spelled out in this slide:
The text of the slide:
We’re building self-driving cars and planning Mars missions — but we haven’t even figured out how to make sure people’s vacuum cleaners don’t join botnets.
I’m reminded of those photos that show that “decisions were made”:
Want to find out more about botnets? Check out this article of mine from October 2016, when I wrote about the big Mirai botnet attack.