IIRC it was calculated by acting like a stay at home mom is equivalent to a $150k+ year job.
Breadwinner simply means you bring home most of the money. Right now, it is something like 40% of households are lead by women. That would be a great step toward equality if there were no kids involved, but that's not the case. When kids are involved, it's usually the woman who would rather stay home
or work only part time. In addition to that, women often jump into low paying careers that are social instead of technical (the lower pay is one of the reasons women stay home with kids at higher rates). I think it's great that women are doing better than ever and we no longer
need men in our lives, but let's keep it real. For something like being a janitor, that can be done by both men and women, so it doesn't pay much. Working on an oil rig or fighting fires is hard as hell, most women can't do it, and even most men can't do it. I would expect those jobs to be high paying, and since it's mostly men doing those jobs, one would expect more male breadwinners. The same is true for thinking jobs. An engineer can do a secretary's job, but a secretary cannot do an engineer's job. For whatever the reason, things like engineering are mostly done by men. In a system with true equality in every way, I would still expect men to make more money. 40% of households having women making the most money should set off alarm bells. Are men unemployed? Are men no longer able to work overtime? Is construction slowing down? Is engineering slowing down? Is there less demand for welders, plumbers, electricians, and other jobs that are mostly done by men?
The original women's rights movement was aimed at equal opportunity. There was a time when women virtually couldn't be engineers because men would laugh at us. That's mostly in the past. The problem is that some people made a career based on fighting for women. Rather than getting a different job, the focus changed from equal opportunity to equal outcome. This happens to any kind of charity or cause. When someone's job is on the line, people will say or do the most ridiuclous things to keep that job. A good example of this is how charities for cancer compete against each other. You can be sued if you create your own fundraiser and use the words "for the cure" in the promotion. Walk for the cure, dance for the cure, run for the cure, etc. Something that started as a noble cause, raising money for cancer research, has turned into a business of raising money to pay salaries. When it comes to feminism, feminist groups need to find problems in order to justify their existence because the main goal has already been accomplished and it's all about money now.