Por que o artigo em "What is a Neymar"?
It depends on the context, Simon. Neymar is so famous his name became a "noum", eg.: "Who will be the next Neymar?"
Yes, and in this context, after the disaster in Japan, the purpose is to ridicule the notion that the name is synonymous with greatness: a Neymar isn't a Messi or a Pelé. Perhaps some day, but not today.