[noptd]

By this logic, the ability to install arbitrary software is a major risk.

I strongly disagree with this stance, and it's a very authoritarian one at that. The common people can't be trusted with freedom so we should give up that freedom and trust in <insert authority here>. I find this stance morally repugnant and entirely at odds with where the future of technology should be going.

Tl;Dr: Hard disagree. Some of us prefer to use our computers as general computing devices, as opposed to just being desk-driven iPhones.