They just asked a few people if they thought it was written by an LLM. /s
I mean, you can tell when something is written from ChatGPT, especially if the person isn't using it for editing, but is just asking it to write a complaint or request. It is likely they are only counting the most obvious, so the actual count is higher.

This isn't true, a lot of corporations use and benefit from the foss and they should be supporting those projects.
They should also be supporting projects that could replace the applications that they spend millions on each year. When your CIO says that they are using 'whatever corpo system' because a viable open source project doesn't exist, they should start funding the non-viable projects so they can become viable.