Summary: There are now many press articles mentioning the rapid demise of chatbots (by usage) but almost nobody mentions the many layoffs in Bing (lots this year) and erosion of excitement, along with market share (see above)
In prior reports the staff representatives said that rewards typically went to people who granted many patents, i.e. didn't do proper examination and instead just allowed many fake patents get enshrined as EPs, causing fiasco (from which some patent attorneys could profit)