Question about LPVO + Reflex RDS

Hey y'all I had some questions about this setup. It seems to be gaining a lot of popularity recently and I'm highly considering it for my next rifle build.

When I first started reading about this, the going wisdom seemed to be that you would use your LPVO as your primary optic for close range, dialed at 1x, and it would operate as a basically a normal red dot tube. Then, if you had to shoot far away, you could dial in the magnification. The purpose of the reflex rds would be if you were already dialed in and had to rapidly transition to close range shooting again.

Now, it seems like the conventional wisdom has changed slightly. I'm seeing people say that they keep their LPVOs dialed in to their expected engagement distance and use ONLY the reflex rds for close range 1x.

My question is twofold:

1) which of these two equipment mindsets is best? Which optic should be your primary go-to for 1x close range?

2) IF the 2nd theory is the correct one, what is the purpose of the lpvo? Wouldn't you be better served with a traditional scope like a 3-9 or 2-12 or something? Or even a fixed magnification optic like an acog?

I'd love to see what y'all think. Thanks.