Question is - how many people are going to be willing to risk it, given McGowan's proclivity for shutting the border mid-flight, or changing the date that was "Locked in"...
Apart from immediate family and interstate FIFO crew going to work, I don't think the tourist market will rebound as quickly as they're hoping, and as a tourist, there's not much in WA that I cannot get elsewhere in Oz, that doesn't have the risk of a disrupted holiday.