• Read the full column here
She says the incident has revealed something far bigger and more concerning than a spat between to public figures.
"This feud has become a deeply troubling representation of the hatred towards women who stand up for themselves, and wish to protect and defend their rights to their own bodies," she wrote.
The column has been linked to and shared by dozens of people, including Hayley Holt, Rose Matafeo and Matilda Rice.
Broadcasters Noelle McCarthy, David Farrier and Jesse Mulligan also praised the piece, with Mulligan saying he "fist pumped" after reading it.
DWTS judge Hayley Holt linked to the post, writing: "Great article, the struggle is real!"
While Rice posted: "WOW that article - so perfectly said."
Fellow MediaWorks employee Rose Matafeo also came out swinging in support, writing: "My friend Alex articulates exactly why Dom is a piece of s*** in the most intelligent and funny way possible".
Casey said she was driven to write the opinion piece after reading comments on Chenery's Facebook page.
She said she was in "a cold sweat" over the abusive remarks and felt compelled to defend the former Bachelor contestant.
It has become the most-read article in The Spinoff's history and has been shared more than 8,000 times on Facebook.
- nzherald.co.nz