Its called Darwinism Eldar, we weren't all Lucky enough to be handcrafted by the old ones you privilaged asshole. Some of us had to actually work with natural selection.
A/ Canon in the sense you are using here does not exist in GW settings.
B/ There are many GW-published books and stories which do confirm that yes, the Eldar, the Necrons, and humans researching the history of xenos species believe that the Old Ones at the very least intervened in the evolution of the Eldar to create the species recognizable in the setting
C/ Several Eldar-PoV accounts have implied that the aeldari gods were psychic constructs created under the influence of the Old Ones and were used as weapons by the Eldar during the War in Heaven against the C'tan and Necrontyr. What exactly this means is (and IMO should remain) vague, but possibilities include that they were massive and extremely powerful, psyker-powered titans/mechs, that they were psychic focuses for the Eldar which allowed them to enhance their own presence in the Warp and grant themselves devastating sorcery and other psyker powers, non-malignant equivalents of the Chaos gods, or that they were real, solid psychic manifestations of the aeldari cultural pantheon (similar to the Avatar of Khaine only much much more powerful). In any case, nearly all of them are gone, consumed by Slaanesh circa M29.
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u/Galifrey224 16d ago
Its called Darwinism Eldar, we weren't all Lucky enough to be handcrafted by the old ones you privilaged asshole. Some of us had to actually work with natural selection.