One of the links is not working (the one for the Folha de São Paulo), and another is not correctly pasted:
http://www.otempo.com.br/otempo/colunas/?IdColunaEdicao=16015
This is the work of columnist Fátima Oliveira. Somewhere in this site I posted a translation of one of her previous columns in this regard. I will translate this one, too, but will post it later.