Their resignation is already being discussed in another post here from yesterday: One Of The Rust Linux Kernel Maintainers Steps Down - Cites “Nontechnical Nonsense”
…but I think this LWN reporting (from back in June) deserves its own post as it makes it easier for those of us who are not kernel hackers to follow what is going on.
They’re not trivializing, just noting that the different things you need to discuss for kernel development compared with other work. It is very different in a lot of ways, and does shape your perspective. I also find it interesting.