In roughly the past half-decade, Microsoft went from nowhere to overwhelming dominance of text editors with VSCode, ownership of majority of code hosting (and open source dev) with GitHub, ownership of the dependency stack used by most devs with npm, control over the most popular single language with TypeScript, and is trying to position copilot and ChatGPT as inevitable parts of the future dev process. Nothing negative for the ecosystem will come of this, as the last half century teaches us.