Google's WEI doesn't threaten your right to be silent.
Based on Google's previous behavior, if your web site doesn't go along with its plan, it will be more than happy to silence/delist/derank it.
Sure, as the technologists we are, we can see just how dangerous this can be, and why it's offensive to even consider. Without getting the masses on board though, we're pretty outmatched and outgunned.
Google Crawlers and User Agent Strings – 2023 List
https://www.stanventures.com/blog/googlebot-user-agent-strin...
Fraud, defamation, perjury, and obstruction of justice are illegal. That's a much narrower restriction than a ban on lies.
There is, however, an explicitly enumerated right to freedom of speech. There are only a handful of recognized categories of non-protected speech. Lying isn't one of them.
This is the important part.
Tell that to the police.