He bought bitcoin.org domain in 2008 and by credit card. If bank statement says that then he can be considered at least being a part of Satoshi group or even Satoshi himself.
I think before continuing further you should familiarize yourself with the mountain of evidence showing lies, fraud, and deceit found at:
- https://en.bitcoin.it/wiki/Craig_Wright
- https://www.stopcraigwright.com
- https://news.bitcoin.com/craig-is-a-liar-early-adopter-prove...
- tax fraud in AUS, attempting to cover this up is most likely the cause of his campaign: https://medium.com/@Bitcoin_Beyond/forensic-report-raises-qu...
The list goes on and on, the evidence is easy to find and there is really no excuse for trying to push this theory.