ISPs and other network operators are notorious for injecting content into webpages [0]. Even if someone is doing this for "harmless" or even "benevolent" reason

ISPs and other network operators are notorious for injecting content into webpages [0]. Even if someone is doing this for "harmless" or even "benevolent" reasons, someone else is cryptocurrency mining, tracking, nefariously manipulating content, etc. [0]: https://thenextweb.com/insights/2017/12/11/comcast-continues-to-inject-its-own-code-into-websites-you-visit/ https://thenextweb.com/insights/2017/12/11/comcast-continues...