> How do you know what would have been accomplished without that person's spouse managing the home?

How do you know she didn't have her own career and the multi billionaires didn't have hired help to take care of their home? Should she be entitled to less than 50% if she worked as a regular employee in the company and they shared their domestic responsibilities equally?

> I would say that those contributions which were key to the success of the company absolutely do entitle you to 50%.

Driving your own kids to activities and washing some dishes is absolutely not key to the success of a huge company, or any company.