Why don't you ask him why he thinks that, instead of writing it off?
I agree it seems odd to believe that anyone could be against having children. But the world is full of large groups of people who hold odd and unsubstantiated opinions. Perhaps he's met people who really do look down on him for having kids. Perhaps he's stumbled across a group of old fashioned Malthusians who think children = population growth = destroying the environment and he's extrapolated that belief out incorrectly onto a much wider group.
To your wider point, conservatives are absolutely victimised in some parts of society. That's what the entire article in the WSJ is about. That's what happened to Damore. Note that Damore filed a complaint with the NLRB: they wrote a memo that put the word "scientific" in scare quotes, and stated that bringing up scientific studies of gender differences was sexual harassment. So literally attempting to argue conservative viewpoints by reference to scientific studies is now considered sexual harassment and the government will not defend it: if that isn't going to create a feeling of victimisation, what is?
However, such a position is very much unusual and marginal in the US or (IMHO) the Anglosphere in general. By contrast, I had encountered some rather aggressive childfree activists on the Russian-speaking segment of the Internet.
I'm not automatically dismissing him, none of that reflects the reality of his existence, he's seeing things that aren't there, presumably because he wants to feel like a victim. Not only that but he doesn't ever stop talking about it, literally every conversation ends up being how the liberal elites are out to get him for some really stupid reason.
I agree it seems odd to believe that anyone could be against having children. But the world is full of large groups of people who hold odd and unsubstantiated opinions. Perhaps he's met people who really do look down on him for having kids. Perhaps he's stumbled across a group of old fashioned Malthusians who think children = population growth = destroying the environment and he's extrapolated that belief out incorrectly onto a much wider group.
To your wider point, conservatives are absolutely victimised in some parts of society. That's what the entire article in the WSJ is about. That's what happened to Damore. Note that Damore filed a complaint with the NLRB: they wrote a memo that put the word "scientific" in scare quotes, and stated that bringing up scientific studies of gender differences was sexual harassment. So literally attempting to argue conservative viewpoints by reference to scientific studies is now considered sexual harassment and the government will not defend it: if that isn't going to create a feeling of victimisation, what is?