or (c) they don&#x27;t have to care about it.<p>&quot;security by obscurity&quot; might proves as being good enough.  I could write you a text message: &quot;Hey abalone, do you fancy helping me planting a tree over at my garden?&quot; and it seems perfectly innocent until you consider that <i>planting a tree</i> could be a code for all sort of things. As long as you don&#x27;t &quot;plant trees&quot; every week and talk about all kind of things in your text messages you are not attracting attention.<p>One could argue that truly innocent&#x2F;law abiding people require strong encryption the most because of all the criminals out there.