My worry is that all these recent capabilities attempt to minimize hallucinations by relying on extensive web search, however web itself is being actively degra

My worry is that all these recent capabilities attempt to minimize hallucinations by relying on extensive web search, however web itself is being actively degraded by unfiltered LLM output. After a certain point running your research agent against a ~5-year-old snapshot of the web will be strictly more accurate (for non-current affairs queries) than querying live web.