Your friend saw this resource on bethinking.org and thought you should see it:
The Ethics of Apologetics
David Cook considers the ethics of apologetics. He looks at why people reject the use of apologetics and whether they have a good case or not.
See the full resource online by visiting bethinking.org:
https://www.bethinking.org/apologetics/the-ethics-of-apologetics
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bethinking.org is a collection of resources which aims to make sense of the big questions of life about God, Jesus and Christianity.