One - shit obviously happens in closed source world, Windows has a looong security history for instance. Security by obscurity is not something that will work.
Two - if you are so much afraid of IoT, just don't plug your toaster to your WiFi. If someone does that, they open themselves to sliced bread attacks on their own peril. You are not forced to do so.
Even Watson is not "intelligence", it is only the illusion of it.
Sadly, this is also true for most of humanity.
What about the freedom of hundreds of employees to feel uncomfortable working for someone who is advocating against you?
I'm sorry, but this is just the way life is. You don't always work for nice people and if it bothers you -- usually YOU switch jobs, not them.
In my opinion, Eich stepping down is quite honorable even though I might not agree with his world view.
Build a system that even a fool can use and only a fool will want to use it.