The hashing power is the voting power. Since it is not obvious how one could even define what "the majority of ethereum holders" even means (and who says that e

The hashing power is the voting power. Since it is not obvious how one could even define what "the majority of ethereum holders" even means (and who says that every ethereum holder who is a physical person has to have the same voting power? If this were the case one would simply split your ethereum "account" into many who are hold by stooges).