Why is science fiction considered a better way to know how artificial minds would behave?

Who said that?

Parent says this:

There is enough science fiction demonstrating reasons for not creating full-on digital life.

Ah fair point. Yeah I don't consider science fiction any more informative or legitimate than your opinion.

IF ASI matches or surpasses 1 million Edward Witten IQ strength, then it is expected to have a worldview that matches with Edward Witten thinking.