I think global tech-co eschews writing detailed help because customers eventually do it themselves out of frustration and ‘ai’ organizes and presents a useful (enough) mashup from their efforts plus the minimal docs the company does provide.
Because docs will need to be rewritten (sometimes almost continuously) to match the rapid pace of device and software changes, it is a virtual certainty that this will be the face and body of ‘effective’ tech support for the immediate future.