Greg,
im curious if you’ve refined your setup since these posts? I have same saw and also have it connected to shop vac. I’d planned to get one of the smart outlet/switches for vac initiation but the saw drawing 15amps makes it a no-go.
I saw a pic of someone’s setup in which they split the dust vac intake hose at the vac and had 2 hoses clamped directly to the saw - apparently that gave them better collection than the Makita connecting hose.