Clarify that maintainers may close unproductive PRs without explanation (#1860)

Author: StanFromIreland

getting-started/ai-tools.rst

@@ -53,7 +53,7 @@ Unacceptable uses
 =================
 
 Maintainers may close issues and PRs that are not useful or productive,
-regardless of whether AI tools were used or not.
+without explanation, regardless of whether AI tools were used or not.
 
 If a contributor repeatedly opens unproductive issues or PRs, they may be
 blocked from contributing to the project because it is disruptive and