I too have been in publishing for 20 years, and now work exclusively in online publishing. They violated her copyright, period. We get the rights to everything we publish for a reason, and if someone publishes something of ours without permission, we request them to take it down -- most do it instantly (I've never had to file a DCMA), but that's her next step -- DCMA/e-mail her ISP.
Really is mind-boggling that someone who considers themselves a professional journalist would send an e-mail like that -- embarrassed for our whole profession.