I take issue with the assertion that the setup time is similar. Especially with my SawStop, setting up the dado blade takes a LOT longer. You have to change cartridges plus install the dado blades, make a test cut, adjust the with, make another test cut, etc.. By contrast, I can have the router set up before I can change cartridges. It takes me a couple minutes to get the router positioned in the track saw jig so it can ride that track if I am cutting in the middle of a board. Setting up the router table is super quick and easy. To be fair, a wide deep dado is multiple passes with a router, however, and easily one cut with the table saw.
But purely setup is quicker with a router. To me the dado blade is only indicated when you have a bunch of dados to cut. One or a few router territory. But I am also aware that others may set up a dado blade quicker than I did.
I consider the dado cut a significant disadvantage of a SawStop. Changing cartridges is an infrequent event for me and thus one I cannot do quickly and easily. Adding that to the normal issue of getting the dado blades installed right and with the right shims and cutters is added hassle I do not need. I used a dado blade more on my previous saws but am not anxious to try again on my SawStop. Too much of a hassle. But it is a necessary part of their protection scheme.