The article later clarifies that the actual crime was to post extensive screenshots and descriptions of movies on his blogs, to such detail that it was essentially like reading a picture-book adaptation of the movie. This is really not the same as "posting spoilers."
Yeah, this seems more like a copyright issue than a "spoilers" issue
If not for protecting media giants - this seems like a wonderful service. There are plenty of great movies I will never watch. Having the ability to scroll through a detailed summary with pictures would make it feel much more real than reading a media-less plot summary.