I wonder if it's related to this: https://news.ycombinator.com/item?id=28513130
The author of that piece is on the core team. https://www.rust-lang.org/governance/teams/core
So unless GP is suggesting that the moderation team felt SK's post airing grievances with Amazon was against CoC/whatever standards they expected of him, not related.
(Edit: oh, perhaps tangentially related after all. See codys' comment https://news.ycombinator.com/item?id=29307113)