That is a legitimate question. If the purpose of the spying was to discover Russian interference it had to have been applied consistently to both campaigns. But then if that were the case a plethora of actual infiltration and influence peddling would have been discovered in Hillary’s campaign. Since that clearly was not done, the question remains, “why was the Trump campaign spied on?”
18 Dec 2016: UK Telegraph: ‘I was a Russian spy. So what?’ Former double agent says Britain does work with Kremlin amid Cambridge concerns
By Lydia Willgress
The whispers of espionage and double bluffs have reportedly been enough to make three experts resign from their positions as conveners of the academic forum - with many more arguing over the alleged links.
But the public and academics need to move away from “the old John le Carré days” because in certain areas British and Russian intelligence services collaborate, a Cambridge academic and former double agent has now claimed...
His comments came after Sir Richard Dearlove, the former MI6 chief, Stefan Halper, a former policy adviser at the White House, and leading espionage historian Peter Martland all allegedly resigned from their positions amid concerns about Kremlin-backed funding...
https://www.telegraph.co.uk/news/2016/12/18/russian-spy-former-double-agent-says-britain-does-works-kremlin/