2) this fails basic sniff test of how research is done. google overmarkets but it doesn't lie.
to answer GP's question - the #2 rated bard is an "online" llm, presumably people are rating more recent knowledge more favorably. its sad that pplx-api as the only other "online llm" does not do better, but people are recognizing it is unfair to compare "online LLMs" with not-online https://twitter.com/lmsysorg/status/1752126690476863684
Easy, they bought it.
https://huggingface.co/blog/gcp-partnership