Oh, it is illegal. It's just that the DOJ is turning a blind eye because someone at some point wrote a "memo"[0,1], which it seems can be the bane of global peace and prosperity as we know it. (Yes, it is ironic that a memo in some countries like the U.S. can affect everyone else.)
P.S. I understand the context in your comment here. Just expanding on it for cynicism's sake.
P.S. I understand the context in your comment here. Just expanding on it for cynicism's sake.
[0] https://biotech.law.lsu.edu/blaw/olc/sitting_president.htm [1] https://www.justice.gov/file/146241-0/dl?inline [Note it has been updated since 2000.]