No, but other billionaires would take notice and two high profile divorce firms may start salivating.
it will not be a huge affect on their careers,
Only if the public continues to hit themselves in the head with a hammer.
I don't think it would have a big impact on their careers. If anything. Beyonce's music will get better. Fans love when she sings with passion and pain. The public would be in shock because they come off as a lovely couple and they aren't the type of people to be out in the open with their business.
Don't we see them as the shitheads they are, anyway?