Some was organic of course, but when you consider who opposed Corbyn’s foreign policy positions, the campaigns and operations against him become clearer.
His project would & could never be allowed to succeed. It would have been so disruptive to the global geopolitical status quo.
The anti semitism campaign, for example, had a clear source.
Al Jazeera’s censored documentary “The Lobby” is a good start. Think there’s 2 parts, UK and US.