We know (1) comets exist, (2) they can impact planets, and (3) they leave debris trails which show up as meteor showers when these particles intersect with Earth's atmosphere, like the February Eta Draconis meteor shower which has gotten astronomers' attention.
By contrast, AI's of the sort discussed here still exist in the realm of science fiction.
How is the science fiction angle relevant? What if they hadn't been in science fiction?
It may be that the best cheap heuristic to use when evaluating the ideas at a very abstract level is to see if any similar events have happened in the past, or if similar events are written about in science fiction. However, it seems to me that further analysis should be deeper analysis.
An analogy: if, at a glance, I see that someone has an iphone, they are perhaps more likely than the average person in their demographic to have a MacBook (assume I have a study showing t...
From Mike Darwn's Chronopause, an essay titled "Would You Like Another Plate of This?", discussing people's attitudes to life:
Conclusion, graphs, and references in article. As usual, I recommend reading Chronopause.com as Darwin has many good articles; to quickly link a few: