For a platform like this to be effective it has to be a lot faster/more responsive than cloud.ruckuswireless.com is and rock solid in its uptime.
I'm only a few days into this and to say I feel concerned would be a huge understatement, especially after hearing issues like that.
I already have my own laundry list of problems and lack of basic features that exist in every other cloud based AP management hypervisor I've encountered. (Aerohive, OpenMesh, Meraki)