To answer the question at hand: "Why was [this] company able to raise $76 Million Series B?" They make money. What's more concerning to me is that the coverage in TechCrunch[0] and Business Insider wasn't able to raise a modicum of doubt. If googling "JustFab" returns "Class Action Lawsuit" in the first 5 results, it would seem that the reporters either didn't do the absolute minimum required for effective journalism…
Then again since when TechCrunch really practiced journalism?
led to an entire industry being changed