Occams Razor says that they've only received credible leaks about the HRC campaign. Seems to me like anyone with credible evidence against Trump can sell it to

Occams Razor says that they've only received credible leaks about the HRC campaign. Seems to me like anyone with credible evidence against Trump can sell it to the highest bidding mainstream media org and be sure it will get national attention. Why would a Trump leaker need wikileaks?