This! Developers at MS (edit: and elsewhere) should be forced to use their brainwork on low-end machines at least two days a week.
Or not - regardless of what MS employee claimed, Linux terminals performance is more than adequate.
Edit: I am speaking of Linux, not WSL, of course.
Here's a thread on it with other examples: https://news.ycombinator.com/item?id=13940014
They fixed it, but it was a sign of the times. Everything we've used over the decades had to be re-implemented for the web and stuff like Electron, and the people doing the implementing use such powerful machines that they don't even notice a simple blinking cursor devouring CPU or think about its impact on normal computers.