The whistleblower, by accusing Trump of malpractice, has essentially inoculated himself against prosecution. Going after him would be portrayed as retaliation and, even though deserved, is not worth the grief that pursuing him would bring.
It sucks, but that’s the way things work.
Not if he lied “under penalty” in his complaint....which we know he did.
It sucks, but that’s the way things work.
The credo of the ball-less. Such will be losers for eternity.