When all I was doing was high end new construction I was the one to introduce an Air Assisted Airless. As an example:
We would take all the base to saw horses and set up a spray rack.
We would make sure no ceiling overspray was on the base and dust every piece.
Then we would prime with an alcohol base primer. we would let it dry til the next day and then sand it until slick as glass which would not take much.
Next, we would spray one coat of Murallo SemiGloss and let dry again. The next time we would touch it would be after our walls were done. Then after it was puttied and caulked it would get the final coat. We never had any problems and it was a custom production. No flaws or blemishes. We had a very good old school super and true craftsmen installing the wood. Everyone worked together.
We would do this with our crown which saved a lot of steps if it were...step crown moulding. Nothing like saving several steps when painting 7 step crown moulding with dental teeth in the back drop.
Too bad this was not the norm with other supers and tradesman.