The first thing it asks you to do is to set a password, before enabling SSH.
It's really not one way or the other, but the software and hardware working together that's important.
[disclaimer: I am a former Arista employee. I did some of the "light" Fedora modifications.]
Both vendors have a lot of legacy code, so this is somewhat expected. Arista started with modern kernels and used modern development practices from the start.
A rhetorical question about whether other countries would spy on citizens if the US were to stop. (Hint, the answer is that they absolutely would continue).
> You create a 2 country elementary payoff matrix for that game and tell everyone what the Nash equilibrium is.
I think this is saying that there is nothing for other countries to gain by stopping surveillance programs, even if the US were to. This is the Nash equilibrium.