story
So henceforth from this Supreme Court ruling, the President can call up the Attorney General ("official duties," remember) and say, "find a reason to investigate and arrest my political opponent."
That act, that conversation is now protected. And that action will be carried out, and there is no legal recourse, at least not long after much damage has been done.
At many junctures, not only the January 6 capitol riot, but many others, Trump was only prevented from disastrous anti-democratic actions by principled staff and officials around him. This time around, Trump (or any other dictatorial pretender) will not make the mistake of filling their administration with anyone but sycophants. Trump installed many federal judges. Even leaving it up to the courts to decide if something is an "official" or "unofficial" act, after the fact, is now left to fiat.