[0] https://www.psychologytoday.com/blog/theory-knowledge/201603...
It doesn't sound like good advice if you're depressed, it sounds like an anxiety inducing platitude.
It's an especially evil piece of advice when offered to friends and family. Many depressed people lack the physical energy and willpower to put themselves through the psychiatric system, again and again, without any support. If I believed in hell I think there would be a special place in it for people who tell their loved ones to "seek help" when those loved ones are currently, by telling them, trying to seek help.
Honestly sometimes it gets to the point that I don't even want to spend time around other people unless they are equally chronically depressed, because you can't have an honest conversation with people who aren't. They either go into pollyanna mode or tough love mode and neither come from a place of actual connection and understanding. I think it's too scary for them to try to understand so they don't really try, and we get a multitude of platitudes that don't do anything except maybe make the giver feel better about themselves for doing a "good deed". If you explain why the platitudes don't help they usually just get mad. I think suicidal people spend more time doing emotional labor for non-suicidal people than the other way around. And then they call us selfish for leaving when we've finally had enough.
Other commonly-repeated bad advice includes:
* Try exercising.
* Go hiking -- when you're one with nature, life's troubles with seem insignificant.
* Force yourself out of bed and go take on the world! (aka "chin up, buster!")
There's just one good and true advice: Please seek help.