The devil will throw every argument at the wall, to see what sticks. He doesn't really care what demoralizes you away from getting married and having a natural-sized family. As long as it happens. Especially if you are Traditional Catholic, the devil doesn't want you reproducing.
It could be the overpopulation myth, evolution, selfishness ("each kid costs as much as a Ferrari"), despair ("Each kid costs 1.8 million to raise to age 18", "All Women Are Like That", "No good/chaste women left") and so forth.
I've even seen, on a secular forum, a meme about "having daughters is the ultimate cuck". Since a man can't control what sex his children will be, this alone could discourage some men from fatherhood. Regardless of what you think of this meme, the fact remains that this is one more piece of crap satan is throwing at the barn wall, to see if it sticks. If it discourages even 1 out of 100 men, then the devil is happy.
About the meme in question: the text, written alongside a screenshot of Pippin (from Lord of the Rings) smoking a pipe, points out that you're just putting in countless time & effort to raise a daughter who will ultimately be some strange man's plaything. Which is TRUE unless you're going to raise her Trad Catholic (or equivalent -- there is no equivalent of course, but you know what I mean). I couldn't imagine wanting my girls to go to public school, dive into Social Media, and "date" according to the rules of the world. Let's just say there's a big difference for ALL PARTIES CONCERNED between sending your daughter off to be a whore at school, and giving her in marriage to an honorable God-fearing man who will marry and take care of her "till death do us part". NOT THE SAME THING. And I also note that this whole meme has incestuous undertones. You are only "cucked" when your *wife* messes around with another man. But I suppose there is investment, and a certain "ownership" in both cases, so the meme has a point. But again, the true answer to that meme is: raise your daughter(s) to be a chaste, God-fearing woman, and you won't have to worry!