You can't say the word "guys" in the Slack channel, or a bot will come and correct you, and tell you to say "folks" instead. And from then on, you'll notice the core team all use the word "folks" incessantly in their writing, it's like some weird cult. You'll notice it from the quotes of Evan and Richard in this article.
The forbidden JavaScript FFI is called either "kernel modules" or "native code" despite it being neither. They also claim it's an "implementation detail" or "flaw" despite the fact that it's obviously not.
There are more examples. If you go against any of these rules then you're ostracized.
I quit using Elm because of this problem above all else. I recognize the need to have respectful rules for conversation but having a dialect of newspeak that you're forced to use is just too ridiculous.