Manafort turned himself in. Now what?

[Amarok]

The technique MUST be especially effective, lest I wouldn't see it used so much.

Where am I going wrong on this?

The popularity and existence of ad homs don't preclude other (actual) reasons from existing to conclude he's a dirt bag.

The frequency of use of a technique does not demonstrate it's effectiveness

And considering most if not all of Trump cheerleaders have all but said he can do no wrong . I don't call it an ad hom