Feel free to correct, but I think this is what happened.

During the affair Harrison was misusing her work credit card to the tune of more than $100k

The affair ended and she was sacked for the funds misappropriation.

Harrison engaged a workplace lawyer and 7 settled for $400k plus $50 legals and a gag order on the lot, which she immediately and repeatedly broke.

In all the articles I've read on this, the ones with feminist leanings have all made vague comments about how the big boys club always wins and how the legal system is stacked up against a woman, but they refuse to dig into the actual details of the case because if they do, it all points to her being a gold digger.