are exclamation marks not allowed or is that just some absurd mistake by them?
They surely aren't going to tell you what you did wrong. That's the real problem here.
"Multiple exclamation marks,' he went on, shaking his head, 'are a sure sign of a diseased mind." – Terry Pratchett, Eric
depends: https://support.google.com/adspolicy/answer/14847994?sjid=16...