“As embarrassing as this is for Microsoft, which despite owning the platform and its APIs still struggle to produce a reasonably performing software, I think part of the problem is simply caused by the corporate incentives.”
A Windows Terminal maintainer called fast text rendering a doctoral research project. Someone outside Microsoft built a much faster prototype within hours. The company that owns the OS and the graphics APIs got outcoded over a weekend. Big companies promote their best programmers out of programming, and this is what is left.