For me personally, I like having multiple tournaments on the same day for two reasons. One, stronghold is like an hour drive (or 2 hours if I transit) either way, and that's a lot of gas money or time to make the trip twice. Second, I get scheduled for basically every weekend at work now (friday saturday and sunday) but if two events that I really want to enter are both on the same day I'd consider taking it off. Otherwise I probably won't take either day off just to enter one event.
I'm sure there are other people who feel similar to me on these, weekends are valuable and spending both days of it on smash is a bit much for some people. The attendance drop from hosting PM on a separate day will be greater than the attendance drop by having a minor overlap on the same day.
This is my take on hosting the events, if you know for a fact that a large number of people would prefer separate days then obviously I am part of the minority.
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