Whether to seek therapy or even go on a path to recovery is their choice to make, are you advocating to force people onto a path of recovery‽
It's true your brain is always processing things, but it's not guaranteed that it'll process it into trauma PTSD or another mental health issue. It's perfectly capable of processing it's way out of major issues. There are plenty of people who have gone through traumatic things both aware and unaware in which they suffered no I'll effect. It happens. That bit of the article I quoted is of one such person.
I don't think you read the second half of my original comment