I fully agree with it.
Too much "character development" with "dark"/"mature" plots can only go so long until really, give the poor character a break. Let them live a life. Give them someone to /want/ to keep going for. Too many serious plots is like over watering a plant. Sure, the first couple of times, you aren't going to notice. But keep doing it, and the plant is going to die. Give it some sunlight! Let it grow naturally.
Too much "character development" with "dark"/"mature" plots can only go so long until really, give the poor character a break. Let them live a life. Give them someone to /want/ to keep going for. Too many serious plots is like over watering a plant. Sure, the first couple of times, you aren't going to notice. But keep doing it, and the plant is going to die. Give it some sunlight! Let it grow naturally.