Rod Rosenstein praised Coats, too. And others. Seems to simple. You saying RR is bad and Mueller's grandpa act wasn't to cover for him running a sting on his team? Where's the stealth and surprise endings? I can't take the spoon feed without slivers of doubt.
Could be a sleeper for the good guys.
Trust yourself.
Nothing can ever be confirmed when disinfo is necessary.
Bad guys could side with someone because they incorrectly think they are on their side. Nothing is ever confirmed.
What if Brennan('s dumbass) was fooled into believing he was good. Consider ALL possibilities.