Issues with using NSAssertion​Handler in production?

[hyling]

That said, many seasoned Objective-C developers caution against actually using NSAssertionHandler in production applications. Foundation assertion handlers are something to understand and appreciate from a safe distance. Proceed with caution if you decide to use this in a shipping application.

Would you expand on the issues with using NSAssertion​Handler in production? I couldn't find any more information about it on the net. https://nshipster.com/nsassertionhandler/