tl;dr - some folks were posting clickbait links to FB, driving audience to their websites which were choke full of ads.

so, basically, doing what every publisher is doing.

Oh,and far-right message was about supporting Israel. Which is, well, you know, very popular far-right trope.

They call it the hate factory, but their graph shows most of the interactions are about "Support Israel" (at 5.3 million), "We love Israel" (2 million), and only the 3rd is "No sharia law - Never give up Australia" (1.9 million). The rest don't even reach one million.