It didn't start out as a drama, it was a simple request, it's just you stuck ups made it into a drama.
Yes spamming someone's wall is silence-able, although a mod will more than likely be asked to block than.
Instead of letting them continually make posts on your wall, you could've just blocked them to save the trouble of all this.
Content post "is harmful, threatening, abusive, harassing, torturous, vulgar, hateful, or racially, ethnically or otherwise offensive or discriminatory" (Under ToU, not specifically tied to forum) To you is spamming, to her it could be harassment, therefore, silence able.