Something to keep in mind is Rejection Sensitive Dysphoria.

https://www.webmd.com/add-adhd/rejection-sensitive-dysphoria

It passes if allowed to, but having someone complain about overreaction or try to push through it does not help. Sometimes an ADHD brain, especially an anxious one, can seem to react in an irrational way.

And it's true! But there's nothing they can do about it at that moment. They can learn how to smooth the curve or avoid getting into it in the first place, but not mid-panic.