In huge portions of the US, taxis are considered a weird/shitty thing that most people wouldn't use. This applies to most places that are not major metro areas in my experience.
No, you can watch the content of whatever region you currently inhabit. Just like there is a different set of shows on TV while you are on vacation in Spain, there is Spanish netflix on the internet (dumb old media contracts).
If you use technical means to pretend to inhabit another region, they will try to stop you as the article describes.
Are you arguing for a general principle where the US government only defends government assets from foreign attack, not private ones? This would be an unusual position to take.
Are tech companies not paying taxes on money earned in the US? I have heard they are using tax havens to avoid paying taxes in the EU, and keeping that money overseas to delay paying US taxes on it.
It's so easy to make mistakes when talking about this, with double and triple negatives that don't necessarily cancel out. I made one myself in the above comment before editing it.
Please don't use this language. Your suggested quote implies the null hypothesis has been confirmed. In fact, the null hypothesis has simply not been rejected. A better summary would be: "We did not find any proof that submitting articles at a certain time of day is an effective strategy to achieve front page visibility."