It may have something to do with this mind blowing exchange between Casey Muratori (a highly experienced game engine developer) and the Microsoft Terminal team.
https://github.com/microsoft/terminal/issues/10362
It really highlighted how crappy software gets written in large corporations. They told him rendering monospaced fonts on the GPU would involve a multi year PHD research project.
Apparently they then went on to infiltrate his discord server so they could ask questions. Then write up a blog post calling the change "trivial".