Not sure if they changed the website or if I just can't find it but this article backs up what I said.

https://www.cnn.com/2020/06/17/business/uncle-bens-rice-racist/index.html

According to the Uncle Ben's website, the name was first used in 1946 in reference to a black farmer known as Uncle Ben who excelled in rice-growing. The man depicted in the logo is a "a beloved Chicago chef and waiter named Frank Brown."

And this one

https://www.womenshealthmag.com/life/a32894514/uncle-ben-racism-real-person/

Presumably they put that on their website so they don't have people suing them trying to get money because their grandpa was uncle ben or whatever