If you find yourself needing to promote this practice, here are some ways you can talk about it:
You: "Wow, we have lots of information floating around about this, huh?"
Them: "It's a bit unruly, isn't it?"
You: "Yeah, I think I can help though. I recently learned about the practice of information architecture. Have you heard of it?"
Them: "Never heard of it. What is it?"
Them: "Is it hard? Do we need an expert?"