The man broke the law in order to publish documents damaging to Trump. Biden pardoning him would be seen as a reward for attacking his political opponents
It's not that it can be measured forever, it's just that it refuses to match up with any line on the ruler.
For a line of length pi: it's somewhere between 3 or 4, so you get a ruler and figure out it's 3.1ish, so you get a better ruler and you get 3.14ish. get the best ruler in existence and you get 3.14159265...ish
He got the maximum sentence because he was unrepentant of the crime, and because anything less than that would seem biased. I didn't see any mention of fines, maybe he got off easy there?
If you check the original article there's a bit at the bottom where the prosecution wanted to charge him for much more than just one Unauthorized Disclosure
My theory for #1 is that it's an unlisted video targeted at extremists or maybe a "How to make an illegal item" guide
Which I also think can be reasonable