[robbs]

A high refresh rate monitor does help in measurable ways.

https://www.youtube.com/watch?v=F2dPIHPNOeY

You don't need to spend lots of money to get 120+hz screens. They can be had for $150 if you're willing to make compromises.

[zerd]

LTT also tested this for FPS games and both professionals and casual gamers improved significantly going from 60HZ to 144+. https://www.youtube.com/watch?v=OX31kZbAXsA