You're the one that needs to get a grip.
The oversight wasn't serious. Cruz's loan to his campaign was disclosed on the proper FEC form. The missing element, the margin loan to him, was disclosed on the Senate form and made public.
It was a nothing deal, blown out of proportion by the New York Times and Texas Tribune -- a couple of liberal propaganda rags.
Had your candidate been accused of a similar oversight, you'd be swatting at flies, too -- but unworried as to consequences. Because there won't be any.