if one of their Devs spends a little time on it

Or points an LLM at it. The ones with vision capability can just take a screenshot of the text and inspect that to compare it to the characters in the text.

LLMs may not be intelligent, but there's a load of things they can do now, especially if they have access to tools.

"They might do something about it" is just as bad an argument. So what if they find a way? At the very least they'd have to allocate resources to that.

(I'm not advocating for this technology in particular, because of the aforementioned accessibility issues - just speaking in general)