This isn't a new problem. Cloaking[1] has been around for a long time. Google[2], and Facebook[3] have been fighting this problem for years. Even Google hasn't had perfect luck with fighting off cloakers[4].

[1]: https://charlesngo.com/cloaking/ [2]: https://support.google.com/adspolicy/answer/6020954?hl=en#31... [3]: http://fortune.com/2017/08/09/facebook-cloaking-spam-adverti... [4]: https://wp.josh.com/2019/05/06/breaking-news-google-adwords-...