It’s just a hot topic. The A hidden workforce one was way off, which is why people might have got that impression. I don’t think this was intentional, but I can understand where the backlash is coming from :)
Safe is generally a gradable adjective [1], though can be non-gradable in certain contexts (like programming).
We are getting into the weeds though, aren't we?
[1] https://learnenglish.britishcouncil.org/grammar/b1-b2-gramma...