China does not actually give a shit about Russia’s problems, and they are probably not too happy about their campaign of global chaos either. Russia is useful political leverage, and if China just sits tight and lets things play out there’s a good chance Russia ends up as a subordinate client state before the decade is out. It’s doubtful they would put boots on the ground for a goal that does not align with their long term interests.
He keeps describing himself as a cyber security expert and data scientist, but hes actually a finance major and the only technical job he lists on his resume is 8 months as CTO at a tech company back in the mid 2000s.
I found his official complaint about 2004, which gives a good idea of the sort of non-evidence he considers significant. Overall he seems about as legit as anything Trump was trying to push in 2020.
https://law.osu.edu/electionlaw/litigation/documents/KLBNA-E4-5-27-09.pdf