It is evidence, just not great evidence on its own. Now if you rolled the dice a few dozen times and it came out outrageously skewed towards "I" "am" "sentient"

It is evidence, just not great evidence on its own. Now if you rolled the dice a few dozen times and it came out outrageously skewed towards "I" "am" "sentient", maybe its time to consider the possibility the dice are sentient.