The serious reaction lets Spider guess they're possibly thinking of the Ragnarok fallout - with it's batch of orphans and disowned 'bot and cyborg kids - and not the more recent news. He's not all that sure if it would have hit the Nexus yet, even if many of his uncles were still laughing themselves silly about Xavier's lack of foresight and the possibility of Arcadia being 'overrun with babies'. So...

"Latest from there is that Xavier's decided the best way to fix under-population is to import babies. My uncles are waiting to see how long it takes before he starts thinking he needs to import babysitters."