The WSJ is owned by Rupert Murdoch who is very open about his distaste for his view of Big Tech as having a liberal bias and taking away money from journalists. Every newspaper faces an existential threat from Google and Facebook redirecting advertising revenues towards themselves.
That being said, this doesn’t mean that Facebook doesn’t have harmful effects. Facebook can lead to negative effects on users, but you have to take content by media platforms notoriously publicly opposed to it with a grain of salt