I'm confused by the discussion of "damaging" which is not mentioned in the preamble. I assumed it was either eliminate or leave alone, which is I think consistent with the preamble.
Since only 3 erasures left real words in both crossers, my final tally was 3 out of 10 eliminated, 7 left standing. But, I don't submit the puzzle so my free advice is worth exactly what you paid for it.
From reading about the campaign it sounds like out of tens of thousands of targets, the campaigners were lucky to hit a few dozen.