I think it is important to keep in mind that as long time readers of Android related news that we are likely to be more familiar with both the actual processes than those who spend less time reading about, thinking about and using Android in its various incarnations - but more importantly that we're much more aware of the misinformation campaign on this particular subject because of the years of which it has been oft repeated in the iOS vs Android debates.
Just like in any other subject, due to the wide propagation of the untruths and the relatively small reach of the counter points (relative to the former), it is entirely possible and very likely to encounter people who have heard the former argument so often that it is accepted as truth and they may have never heard of the actual information involved. Most of them don't care to get into the details, and can take a headline at face value - especially given the similarities of content and framing and the repetitive nature of that messaging.
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I agree. Unfortunately in some cases there are people who are admittedly familiar with flashing custom ROM's and have spent time on XDA forums and still believe misinformation. One could assume they ought not to fall into that category of being unfamiliar but I guess it happens.