I believe this to be true. There are hundreds of millions of Facebook accounts being signed up by bots and FB is doing nothing to prevent it.
It would look bad on their rap sheet if their user numbers were to decline as this could influence their stock price. Once in a while they delete a couple of million bot accounts, but just enough as not to decrease their total number of users.
Facebook Dating is rife with fake and bot accounts. They could easily prevent this by matching the location filled in by the user to the physical IP address location. Yet, they don't, because they don't care about phishing and hustling on their platform.