Yes, at one time Giuliani did good things. That was over 25 years ago. Giuliani is nothing more than a muckraker for Trump nowadays.
And yes that is a prediction. But it is an informed prediction. It is informed by the fact that so far, every case has been tossed for lack of evidence. I can go around making false assertions and filing false lawsuits all day too, it doesn't mean that anyone should take them seriously, and no one would. The only reason that we give these assertions oxygen is out of deference to the power these people hold.
And yes that is a prediction. But it is an informed prediction. It is informed by the fact that so far, every case has been tossed for lack of evidence. I can go around making false assertions and filing false lawsuits all day too, it doesn't mean that anyone should take them seriously, and no one would. The only reason that we give these assertions oxygen is out of deference to the power these people hold.