The RQ3 Glorantha Book (Stafford, Petersen & Dunn, Avalon Hill 1988, p24-25) says of the God Learners:
1) "[Their] unusual magical methods began with a novel way of looking at the world. The secret is dead with its initiates, but was evidently called the
RuneQuest Sight. It apparently allowed initiates to see the world as a series of patterns, relationships, and repetitive reflections which could be organized according to the now famous Runes." or, put another way, they knew the RuneQuest rules (Initiate God Learner = Rules-Lawyer?).
2) "The detachment required by the most avid adherents of RuneQuest Sight blinded them to many of the realities of a compassionate and created world. Their HeroQuesters lost touch with the basic rule of Arkat: 'No questing without respect and humility.' Rather than recognizing unique living entities they saw a thing of numbers, abilities, and potential - mere raw material. Many individuals with this blindness came to power early." or, they didn't care enough about character (Rune-level God Learner = Power Gamer?).
3) "The final result was catastrophe. The various kingdoms making up the Middle Sea Empire were each destroyed, by dooms similar only in their totality. ... Nature itself revolted against the God Learners in many places." or, they were erased by the world itself (The Creator = Author/GM?).
4) "Another terrible secret was avenged by doom guardians calling themselves the Gift Carriers of the Sending Gods. Everyone who was privy to the Forbidden Secret, or who was kin to them, or who might have witnessed or heard about the secret, was hunted down and destroyed." or, any characters that act like the world isn't real can be blatted by the GM!
The RQ2 RuneQuest rulebook (Perrin, Stafford et al, Chaosium 1980, p54) says of the Illusion rune: "The Puppeteer Troupe, the major cult of the Father of Illusion, always claimed that this was the First Rune, for without Illusion, there would be none of us to think we ever were. They refuse to explain further." - perhaps the Gift Carriers didn't find them!
Phew - that was a lot of typing. See why I favour the "Three Word Answer" shorthand?
Hope this helps.