The writer 'goes' (badly) 'astray' [=stops being correct or reasonable] when she blames the current government for these problems.
The President was 'led astray' [=convinced to make a bad decision] by his advisers.
They marked the trail so hikers wouldn't 'go astray'. [=become lost]
(..) Disproportionate to our crime! Here it is! The cursed treasure of Cortes himself. Every last piece that went astray, we have returned. Save for this. Jack! JACK: Not yet. We wait for the opportune moment. we found, but despaired (..)2003 Pirates of the Caribbean: The Curse of the Black Pearl