A search would contain a lot more than that. Structured events about search result pages will often contain a denormalized version of the results and how they w

A search would contain a lot more than that. Structured events about search result pages will often contain a denormalized version of the results and how they were placed on the screen, experiment ids, information about the users session, standard tracking data for anti abuse. You might use these data to make statements in legal documents, financial filings, etc. and therefore you’d want a good story about why those data are trustworthy.