Most of its usage is on platforms where engagement is how they make money. Any kind of engagement. Considering flamewars, nitpicking and arguments are goldmines

Most of its usage is on platforms where engagement is how they make money. Any kind of engagement. Considering flamewars, nitpicking and arguments are goldmines that capture user attention, it's in the platform's best interest to draw attention to threads via notifications. Is this the right thing for HN? I don't know. But they've decided it's worth the trade off, I think.