system
A chat on subreddit /r/NoStupidQuestions
human
&gt; miracles

They can't be substantiated, so can't count. 

&gt;drug addicts whose life got better after "finding God",

Such an example would be evidence for the positive power of faith and belief in a god, not of the existence of God.
gpt
This is the answer. Basically, when you apply the scientific method to the existence of god you come up real short.