US Intelligence as well as several independent cyber security firms concluded the DNC e-mails were leaked after an attack by Guccifer 2.0. This was followed up by several indictments issued by Special Counsel Robert Mueller which would have to be tried in a federal courtroom were they ever to occur.
That seems to be a fair bit of evidence. Is everything a conspiracy now?
It’s quite clear Russia meddled in the 2016 elections, and they’ll probably do it again in 2020 (if they didn’t already do it again in 2018).