This passage:
> Before this brace becomes the standard of care, it will face challenges. In parts of Brazil, doctors often stay faithful to less effective solutions because they make more money delivering them.
Struck me as mildly derogatory; my impression (I'm not from the US, but I parse Wired as speaking from a US perspective) is that it's not ... completely rare to make that accusation for US doctors, too. :|
Of course, saying "this is a problem in Brazil" is not the same as saying "unlike in the US, this is problem in Brazil", but that's how I read it, for some reason.