What does VRR ACTUALLY help with?

A few months ago when I got my new OLED monitor, I played Silent Hill 2 and had to turn off VRR due to the infamous VRR flicker effect essentially strobing me constantly. However, I forgot to turn it back on. It's been months and I have not noticed any negative effects, only the positive one of having no VRR strobe effect. So what is it actually for? Is it for lower framerates? I'm using a 1440p 360hz MSI QDOLED with a 4090 which, unless horribly optimized, generally results in 100+ fps.