When a senior Goldman Sachs technology banker delivered a grim prediction to his colleagues earlier this year, it marked the beginning of downturn that would result in some bankers leaving. Mergers and acquisitions among technology companies could be down as much as 80% in 2023, Sam Britton, one of the leaders of Goldman's global technology, media and telecommunications group, wrote in an internal memo in February, as an economic slowdown and a hostile anti-trust environment weighed on dealmaking appetite. Britton tried to boost morale, arguing that market conditions could change quickl...