None of those things are knowledge. I think theres something specific around limiting access to knowledge and capabilities that makes this feel insidious.
Information is covered by ITAR, so that's not new. You can illegally export information about an ITAR covered item by just allowing a foreign national the potential to see an item. They don't even have to prove the foreign national actually did see it.
https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M...