I can explain the connection:
Nevil came back into the public eye as a guest of Shanti on the MNS forums to announce that he was going to start breeding again and that his focus would be to create a new super Haze/sativa hybrid.
He called this breeding project "The Holy Grail."
After a few years on the MNS forum as his guest, Shanti asked Nevil to leave the forum because Nevil was selling seed to Shanti's customers under the table in violation of an agreement they had. We can only assume this negatively impacted their old friendship.
Meanwhile, down under . . . Nevil worked on his Holy Grail project for years with genetics donated and sold to him from passionate growers around the world, but died before he ever released the results of his Grail project to the public.
On Nevil's death, Shanti posted a scorching rebuke on his forum for people that were popping up on the internet seeking to exploit Nevil's death for their own profit.
Shortly afterwards, Shanti announced a new ultimate strain he had developed and called "The Holy Grail."
People in Nevil's life near the end say that Nev finally found/achieved/created his Grail and it was something called "Outback Haze."
This thread is about Shanti's Grail.
During the course of discussion, it seems inevitable that the Original Grail by Nevil would come up and comparisons made.
That's where we are now, the suggestion of a side by side grow of the 2 lines has been put forward by me, with the hopes that people who have the means and interest to make it happen might like the idea and help make it a reality.
Hempy is confused because now that he is done talking about "Outback Haze" he doesn't think other people should be doing it because . . . "off topic."
Hope that helps.