Jargon itself isn’t bad or even negative. It’s part of what creates and maintains groups. Jargon is part of culture.
From the Blog on jargon
When we seek to bring about change, the less jargon, the better. Change triggers enough shame on its own, we don’t need to pile on more with jargon.
We need to think about the audience. We need to enter their world, understand their language, translate exclusive jargon into inclusive, embracing language.