[jaequery]

No, this method actually applies to all languages and all platforms with the same given tactics. Anything with an open ecosystem of plugin/themes where other users can download will be affected.

I've seem some similar activity in wordpress themes a while back. And if the results are as good as this post says, this kind of activity will only keep growing.

[Doyley]

The results are exactly as reported. The ones published are from last week, but today the top 20 results are still dominated by websites doing the same.