GenAI B2B vs. Microsoft

Yesterday's Microsoft announcement on Copilot and Bing Chat enterprise were remarkable. The products are not widely rolled out but if they fit the demos, it seems like a lot of the work done by a regular professional knowledge worker will be much more easier. And easier in the tools they grew accustomed to. Word, Powerpoint, Excel etc Does this mean the niche gen-ai B2B tools and startups like Glean, Harvey, Jasper, Tome, CaseText lose to Microsoft (generally speaking)? Or is there an alternative angle? Best way to shed light on it would be someone speaking on MS Copilot experience as a user