Going to RT did not help Assange's legal case in any way.
I'm against double standards. It was wrong from both Assange, Blair and other Western leaders and activists who claimed to care about democracy and human rights to deal with Putin's Russia the way they did.
https://www.theguardian.com/business/2003/feb/13/russia.poli...
Here is a site that claims that the deals went on well after the Crimea annexation:
https://www.declassifieduk.org/under-putin-mi6-linked-bp-ext...
I do not know the second site, so search and check for yourself. Britain also took gas via the Nordstream network that had a pipeline through Northern Germany to England.
I would direct such criticisms towards Blair and not towards someone who was under tremendous pressure and frankly fearing for his life.