It depends on exactly what's being done. From the article, it seems to be limited to page layout, grammar/typographical checking and some fact checking.
Given that standards of English amongst Indians working in the sector are generally pretty high (in fact, I've dealt with Indian graduates out in Mumbai who'd put English university graduates to shame in terms of written English skills), there should be no problem with their doing it and I would presume that any contract would specify the skills base required of the employees. In addition, most outsourcing contracts have 'bedding in' periods where the companies work closely to flush out and then resolve any potential issues.
In fact, the only issue I'd have with outsourcing this type of work to India is that there are power problems out there as the electricity network isn't particularly stable, particularly in the summer when they can be prone to blackouts. In an industry where you're subject to tight deadlines and dependent on technology to stay in touch, it could lead to significant problems.
Call centres on the other hand, are a whole different ball-game (although that doesn't excuse the abuse that call-centre operatives have to take on a day-in-day-out basis).
MM