The article also treats “done as a favor” as something obviously illicit. That’s not neccesarily the case.
It’s entirely possible that President Trump mentioned to his dad that he was having foot problems. To which his dad might have responded, oh, there’s a podiatrist over in such and such building, let me give him a call. Nothing “sinister” and not uncommon. The implication is that it was a “fix” to prevent DJT from being drafted but that’s not by any means the only possible explanation.
For that matter, nor is that the only explanation for Trump Sr’s good treatment of the podiatrist (taking care of problems in the rental property, not raising the rent, etc). It could (easily) boil down to trying to keep a good tenant who pays his rent on time and doesn’t cause damage or other problems. problems.
The “story” is speculation and innuendo.
Last line is most definite