Yes. Anything that has to be seen by human eyes can also be captured and read by a machine to the same effect.

It’s also why anti-piracy features have a critical flaw. Eventually, it’ll reach a point where someone has to use their eyes to watch the media, and you can’t do anything to stop someone pointing a camera at the screen.

For text, especially, since, unlike images, it lacks any kind of tagging that can be used to protect an image from being used for training a model. Images have one so that an AI model won’t feed on itself and get stuck in a loop, but it’s impossible to do that for text.