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Since you’re explicitly asking about legal fallout, rest reassured you that you’re most likely going to be fine, even if your book may rub readers (and/or authorities) the wrong way. Short of inci...
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#3: Attribution notice added
Source: https://writers.stackexchange.com/a/46517 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
Since you’re explicitly asking about _legal fallout_, rest reassured you that you’re most likely going to be fine, even if your book may rub readers (and/or authorities) the wrong way. Short of inciting actual violence or libelling actually living people/corporations, you are unlikely to face any legal repercussions for arguing against a law. This is what [freedom of speech](https://en.wikipedia.org/wiki/Freedom_of_speech_by_country#United_Kingdom) is literally all about.<sup>1</sup> In fact, even some books that _have_ actively incited illegal actions have gotten away with it, notably [_Steal This Book_](https://en.wikipedia.org/wiki/Steal_This_Book) and [_The Anarchist Cookbook_](https://en.wikipedia.org/wiki/The_Anarchist_Cookbook) (the latter being an extreme example, since it contains descriptions of how to make explosives * * * <sup>1</sup> Despite the rather long list in that article, the exceptions to this rule are really rather few. The most notable restriction on freedom of speech in the UK that is not incitement or libel is probably the [blasphemy law](https://en.wikipedia.org/wiki/Blasphemy_law#United_Kingdom), and most of that was abolished in 2008, and further weakened in 2013.