I'm prejudiced by my intense dislike of MLM, but I'm not at all confident that she was having successes in the business world.
On the other hand, maybe she focused so hard on projecting the image that his reaction was as you described above, anyway.
I agree, and I will also admit to being prejudiced by my dislike of MLM. The people I've known who have worked in MLM and who have relied on it as an important income stream have lived hand-to-mouth. I've personally not known of any exceptions to this.
Some of these MLM companies appear to encourage their people to engage in magical thinking and they give them a steady diet of it with frequent meetings and trips. Some even sell their people on the idea the company's products can successfully treat or even cure incurable diseases. I ran into one of those not too long ago.
No one knows exactly what happened in this horrific case, but I think the MLM may prove to be a talking point.