MacKenzie Scott pledged to give $640 million to 361 organizations this year despite Elon Musk's insults. This video is a prime example of why that matters.

• Elon Musk may not be fan of MacKenzie Scott's charity work.
• But Scott's big donations are making a real difference to organizations that need the cash.
• Brian Wallach, an advocate for ALS research, cried after hearing his nonprofit was getting $2 million.

Elon Musk isn't a big fan of MacKenzie Scott's philanthropy, but for some, Scott's donations are making a real difference to their lives and work.