I've often seen a different, but related effect of client side analytics where content thieves will "accidentally" spoof analytics data by simply copying a site verbatim, with the analytics tag included.
In this case it's usually relatively easy to filter out, because the analytics host will identify the fake requests as coming from pages served on a different domain. However, it is annoying, and a combination of content theft plus hijacked DNS could result in more sinister influences.
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I've often seen a different, but related effect of client side analytics where content thieves will "accidentally" spoof analytics data by simply copying a site verbatim, with the analytics tag included.
In this case it's usually relatively easy to filter out, because the analytics host will identify the fake requests as coming from pages served on a different domain. However, it is annoying, and a combination of content theft plus hijacked DNS could result in more sinister influences.