> That'll probably just get you penalized by Google Search...
Then don't add it for Googlebot User-Agents or IPs.
Then don't add it for Googlebot User-Agents or IPs.
They'll drop content like a rotten egg from search results of they see a discrepancy.
If you and/or your organization can keep up with all of that... then good for you. That's not the reality for most of the world. And in "world", I include most IT organizations, btw.
EDIT: Btw, do note that I'm not even sure if the alleged issues/problems are even intentional or not... and that in itself is problematic... which was my larger point.
I don't have any solutions.
I don't think any single person can predict/know what's actually going on at this point.