Monoculture in journalism definitely matters. News media has a profound ability to shape and direct the discourse in society writ large, and the slow consolidation of news media in some countries is extremely problematic because it enables private individuals to exert undue influence in pursuit of their agenda that may or may not be at odds with the public interest.
In Canada, for example, it's hard to throw a stone and not hit a foreign-owned PostMedia news outlet.
In Canada, for example, it's hard to throw a stone and not hit a foreign-owned PostMedia news outlet.