I totally agree with what you say. I have my Dewalt pretty much dust free now by building my dust collection system. But, I also use a 20" box fan to the right side of it with two furnace filters in front of it. It pulls from the right side and the vacuum pulls from the top and bottom. I think I'm capturing about 95-99% of the dust. But, I still wear a dust mask after having a very bad reaction to cutting some very cheap luan plywood. It almost caused me to quit scrolling.
Ray