It is if Google wants DMCA safe harbour protections
Also we should all want section 230 protection it's what preserves free speech online and the principle on which the whole web economy is built.
I think it fair to say that if Google wants to be a publisher, they should be held accountable to the content they publish. If they want to be a neutral platform, they should not favor any particular viewpoint
As for 'being held accountable' as publisher, I'm sure you're aware of many publishers that favor one side or one "viewpoint" in fact it's most of them, and they aren't being held accountable for that because we live in a free country.
The copyright stuff applies to everyone already.