Red Dot sights are great if you have old eyes
I'm almost 62, had cataract surgery about 10 years ago, and the front sight is kind of blurry even when I'm wearing my glasses.
An RDS helps a lot, particularly when shooting on an indoor range with spooky or uneven lighting.
I need to do some serious work with a timer to see what my times are when shooting some standard drills like the El Presidente. I have the feeling the dot is a little slower on multiple targets at close range but I do not yet have data on my own performance to determine that one way or the other