You're sharp because when I added that verse into the Catholic article, I wondered how many people might catch that. I had considered not adding it in, but I looked at it two ways, the first, that Catholics don't understand the metaphor, and therefore would take it literally, and therefore, I considered the perspective of ignorance on the matter in the hopes a Catholic may read it and judge themselves properly. The other aspect was that some of these children did profess belief in Christ, which would be offending the "little ones" which believe on Him. Good job catching that.