> 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?

Whether she had a career or not doesn't matter. If they found an amicable way to share responsibilities and during the entire 25 years of their marriage and Amazon's growth they became fabulously wealthy then it should be shared evenly. If Jeff Bezos felt like his wife was somehow undeserving of his wealth then he could have divorced her during the early years of Amazon's success.

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

How do you know? Every moment you can spend working on your business instead of washing dishes is a moment you're contributing to your business' success. There's a reason for the phrase "Behind every successful [man|woman] there's a strong ____."