There is a difference between staying vigilant and over-speculating on such matters. One is advantageous, but the other can lead to complications.

[And this is coming from someone who wholeheartedly supported Bian Zoldark's goal.]

If you truly wish to be prepared, then these possibilities are not what you should be delving into. After all, we can hypothesize endlessly...but until a sign of these potential threats surface, the truth is that there is little we can do about them.