You can be "personally in control of the trusted root CA" using SecureBoot. Just replace the Platform Key with your own key.[1] Or am I misunderstanding your objection?
1. http://blog.hansenpartnership.com/owning-your-windows-8-uefi...
1. http://blog.hansenpartnership.com/owning-your-windows-8-uefi...
It should ship with no PKI/certificate scheme at all. We don't need it and it doesn't work and its blatantly obvious.
Secure boot is entirely worthless from end to end.