Dots are easier to see in poor light, but the target is hard to pick up. The crosshairs on a scope are harder to see in poor light, but the target is easier to see, so low light use is about a wash.
A lighted reticle on your scope makes seeing it in low light a non-issue.
“Remember, no matter where you go, there you are.” - Buckaroo Banzai 1984
"When you find a find a big kettle of crazy, it's best not to stir it." - Dilbert 2009