This article amounts to concern trolling with a barely veiled agenda for censorship. Its "users are fleeing" claim is an attempt at wish fulfillment. The key to using Quora couldn't be easier: don't search for or read topics that you don't want to see. Human inquiry will always be delightfully messy except in the view of those who have pathological control complexes.
I just opened the front page and the 3rd item was a space called "True Love Conquers All" with relatable-Facebook-meme-style writing and an image of a woman giving birth in the backseat of a car.