Beating depression requires mastering one's own inner life and changing the mechanics of how one thinks and interprets the world. This really does give you super powers coming out of it. And it makes you essentially depression-proof. Those 2% to 9% of people committing suicide are not people who have beat depression.
Getting 'over' depression is what happens when the depressed individual experiences a change in life circumstances or another external or temporary internal event that removes the depression for now. That depression can always come back, and among the people I know who haven't beat depression, it always seems to. They never get the 'super powers' because they never beat it.
Most of the highly successful, most gregarious people I know were deeply depressed at one point, beat it, and became expert problem solvers with superhuman capacities for perseverance. You could take their business from them, have them walk in on their spouse cheating on them, and find out their children aren't theirs and they'd be sad for a week or two then get right back on with rebuilding their lives again as soon as they finished deconstructing the problem and mapped out a new path for themselves.
Depression almost seems like a gauntlet certain high potential individuals have to pass through. Some of them make it through the gauntlet and get those super powers. Others don't make it through the gauntlet, step out for a breather, then go back in again. Then maybe they make it through that time, or maybe it's back out, then back in again. I have family members who've been sucked into the depression gauntlet repeatedly without ever beating it, and you can tell they have the potential for 'super powers', but never get them.