Ah, I see.
It's a good thing that MTK's chipset has this vulnerability... and I don't think MTK can quash it without a major revamp of their chipset architecture, which they likely wouldn't undertake just to stop a few folks rooting their devices.
What surprises me is that the entire Android industry hasn't embraced rooting. There are ways nowadays to ensure the phone isn't stolen (fingerprints, PINs, etc), so why they continue to fight it is beyond me... there's more innovation on the rooting and FOSS side than on the 'lock it down' side. Innovation and openness is what drives users to use the phones in the first place. If we wanted a 'walled garden' user experience, we'd go with Apple... with the understanding that Apple knows everything about us, and with the hope that Apple doesn't go Google-evil.
I'll go with a known-evil company that I can lock out rather than a company that may someday go evil (or may be evil, but no one knows they are), but which cannot be locked out even the slightest bit.