First, when I buy mandatory car insurance, police can check its validity in seconds. I'd expect international shipping to be at least at that level of strictness.
Second, how insurance can help avoid sanctions? The enforcement should look at the goods source and destination, not on who insured them, right?
The article is a bit ambiguous. It mentions "trade via neutrals" in passing, and it is not clear if all or most of examples are trading through neutral states (whether knowingly or not).
This is a very good summary of the evolution of her writings and videos. Unfortunately it seems many many people still see her as the best source of scientific truth.
All Kindles I had (the latest is paperwhite from 2020 or so) mounted on USB as mass storage and supported pdf. They also supported epub since 2014 at least.
You're wrong about that last bit. Kindles still don't support just dropping an ePub into their storage -- you have to convert to a supported format first, either manually (or through Calibre), or by using the Send to Kindle service to get them into your Amazon library. Said service only started supporting ePubs itself in late 2022, also.