Antitrust complaints have already been filed against Microsoft in response to blocking of Linux through UEFI [1, 2, 3, 4], so ZDNet's Microsoft's bloggers start disinformation campaigns (two of them so far). It is like a coverup attempt.
This looks like an important win for free software - not least because it could give impetus to similar plans elsewhere in Latin America. No surprise, then, that the FUD had already started appearing even before this decision was made public - for example this article on the "risks" of free software - which calls for "technology neutrality" and "interoperable standards".
But isn't it interesting that the same groups never called for such "neutrality" and "interoperability" between open source and closed source when it was the former that was completely locked out by biased procurement specifications? Strange that....