That is the biggest nonsense I've heard in a while. WA has three major smash scenes, with the biggest of which being a melding of the Lynnwood/Seattle/Renton areas. GameClucks in Lynnwood holds
all the games at monthlies on weekends and has PM/Melee weeklies on Mondays, UW in Seattle holds Melee weeklies on Tuesdays (I think they usually have 1-2 PM/S4 setups), and ePG in Renton holds PM weeklies on Thursdays.
If you have questions on specific events (like making sure if there
is gonna be someone willing to bring a S4 setup to a UW weekly you plan make), the best place to ask is on the WA facebook pages:
General WA smash page (says Melee, but it's for any game really)
GameClucks page
UW Smash page
ePG page