Don Jr. had invested two years ago, it says, and could deny he did so knowing his father would have influence on Pentagon loans at the time. The firm can be touted as "protecting national security" so the loan itself is justifiable.
It's all spun as "smart business thinking," and "everyone else does it," etc. And that's also not entirely untrue. If any Democrat politician were to make noise about it, the Republicans will probably go, Well, what about Hunter (Biden)? The libs will have been owned, mission accomplished.
Of course, in context, Mel was about to be seized by the angry rabble and sent to meet the guillotine.