nothing wrong with a red dot, low power scope, or open sights if your eyes are good. its actually alot faster with less missed opportunities than trying to use big magnification if your eyes and the situation allows ...
When younger I used Eotech’s on highly accurate AR15’s (DMR) and with the 1 MOA dot was able to do MOA at 100yds from the bench. It all depends on your eyesight—(competition with iron sights to 600)