In my opinion, proprietary software doesn't mean you don't have control, as long as you can choose to not run that software and still make use of the hardware.

In my opinion, proprietary software doesn't mean you don't have control, as long as you can choose to not run that software and still make use of the hardware. It's not proprietariness that is the issue, it's the forced execution of code the owner does not approve, or even worse, the outright refusal to run the code that the owner does approve of.