You have just made a $7M bet that you won't fuck up your opsec. You made this bet against the world. You are also betting that you have physical security that can handle the power of a Desert Eagle.
Your link only proves my point. That is basically a list of every single bitcoin attack that has ever happened in the entire world. If that is all people have to worry about, then I think people are pretty safe.
It is just a silly meme to be that paranoid about this stuff.
This paranoia is just a dumb meme.