I can't vouch for any of this - but I have put feelers out to try and verify: I guess the key question is motive - Why would a poster on Antipa Hot Copper BB start swinging his axe posting what some argue as "ramps' about Greatland - that is a fair question?
Paddy observed this and was chatting to a poster Happy Da and queried this unambiguous statement ( made a few weeks back) :
I know memories of Joe Bass rightly gives many the fear... ( I cannot help wonder if that was one of GH's LSE accounts - Apparently he had 'multiple' social media accounts...

but this guy seems interesting. https://www.lse.co.uk/profiles/johnb31/
And then we have our resident Telfer contact Shiny -
Maybe @shinybits can offer thoughts? I asked my friends to do some digging.