It is a fundamentally wrong argument when it is said that other device hardware has not been audited, because if one were to avoid proprietary components, the lesser of them existed in the memory and security domains, the better it would be for reduxing attack surface.

Look at Intel ME, Apple T2 or Qualcomm Snapdragon’s Hexagon DSP flaws.

• https://ironpeak.be/blog/crouching-t2-hidden-danger/
• https://arstechnica.com/information-technology/2020/08/snapdragon-chip-flaws-put-1-billion-android-phones-at-risk-of-data-theft/
• for Intel, I am not sure I even need to share any links, as it is well known by now