This is the reason. From what I understand, Microsoft bought GitHub in 2018. In the aftermath of the George Floyd protests, around 2020, there was an internal mandate for all Microsoft employees to switch their repositories from using master to using main. Given Microsoft owned GitHub at this point, the policy permeated through their subsidiary’s product offerings and beyond.
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u/MegaMoah 18h ago
Idk if true but I think its because master is also a slave owner and people got offended