The computers are faster, can do more stuff, and monitors have higher frame rates. But for many applications that aren't games latency and non-responsive UIs are a growing problem.
<cough> Android Studio. I'm pretty sure code completion used to be way faster and less intrusive (pop up with suggestions comes up when you're finished typing the keyboard, decides to pick a random thing, erases your keyword).
https://danluu.com/input-lag/
The computers are faster, can do more stuff, and monitors have higher frame rates. But for many applications that aren't games latency and non-responsive UIs are a growing problem.