9y ago they cut off Wikileaks; this is well before the 2016 election.
https://www.forbes.com/sites/andygreenberg/2010/12/07/visa-m...
https://www.forbes.com/sites/andygreenberg/2010/12/07/visa-m...
That's exactly right - there was no trial or conviction. Just the word of the administration was enough for Visa and other payment providers.
People should boycott Visa, Mastercard and Paypal over this.