Microcontroller for the EPS functional safety, its challenge for fail operational approach

It has passed almost 2.5 years since ISO26262 international standard was issued. As for the microcontroller, still lots of interpretation for the actual implementation of the architecture and its verification method are in discussion and sometimes there are many confusion. It is said one reason for this might be abstract way of writing for the ISO26262. Even if ISO26262_Part10 exists as guideline, it is not enough.