You are reading way more into it. I took it no different than any other little cutesy-pie name. I know people who use the term "poop" or "poopy" as a love-name. My son was "little dude" to my brother and also "pal." I always thought "pal" was so cute. Brits are big on nick-names and the like....
Yes, I understand there are cultural differences. Nonetheless, my impression from the article (only source of information available) is that the writer does not really wish to care for children.