[throw03172019]

Lose -> They cheated! Win -> We won fair and square.

Might as well investigate every election.

[tencentshill]

Which we essentially did, before they dismantled it. Midterms are going to be a mess (intentionally).

[ZeroGravitas]

They claim they would have won even more without the cheating when they win.

There's no downside for them to make these claims and plenty of upside if it enables them to take control of elections, rile up their base, maybe provoke a violent insurrection or two.