A logical argument does not rely on the characteristics of the viewer. You stated "The disillusioned Peter who saw his rabbi railroaded and executed, and had no idea that his grave would be empty a few days later,".
Mat 16:21 From that time forth began Jesus to shew unto his disciples, how that he must go unto Jerusalem, and suffer many things of the elders and chief priests and scribes, and be killed, and be raised again the third day. refutes that.
Peter was hiding right along with the other disciples after the crucufixion and scoffed at Mary when she told them He has risen. Peter didn't believe her. At one point prior to His death, Jesus had to chastise the disciples for their lack of understanding re his pending death.