As a long-standing open source contributor and in various capacities maintainer, I have a bunch of thoughts following Rust4Linux and Asahi developments...
1) Humans are going to complain, and in a world w/ social media do so on social media, about public & persistent frustrations in their lives. Not super useful to ask them not to do that.
2) Brigading is a big deal, and not a term that should be used lightly. It specifically means *intentionally* creating a coordinated group harassment campaign. Don't call stuff brigading without very clear evidence of intent. People who _are_ intentionally brigading people are actively engaging in organized and serious harassment. It can escalate easily and is _unacceptable_ behavior.
3) Both those said, people with large online followings are somewhat responsible for any group-harassment or full-on brigading that their following does, even when they're not directly involved. If informed, they need to take very active steps to end this and prevent it going forward. There is no "well _I_ wasn't doing any harassing" excuse nonsense.
4) Telling someone with a large following "you're brigading me" when their followers were doing something independently isn't a great way to let them know what's going on and get (3) to kick in. Especially folks in powerful, leadership positions should be *much* better at communicating than that. Tell them what is happening, by whom, and what you're hoping they can do. Ya know, like you would otherwise.
5) Last, but *far* from least: the behavior allowed on LKML is ridiculously toxic. This predates Asahi, R4L, and probably Rust. It is incredibly unsurprising for folks to be frustrated about this and posting about that frustration. There's a long line of previous posts from a wide range of authors (who weren't accused of brigading). I would suggest that improving this is a better focus for leadership of the Linux Kernel, and has been for a long term.
6) Culture problems in open source communities _are_ ultimately the responsibility of leaders in those communities. Harassing leaders because of culture problems will _not_ improve things. But talking about these problems and how leadership can and must step up to address them is an essential component.