Ash made $10 million in prize money last year. she's worth at least $30-40 million. she's not flying cattle class and catching the subway into Manhattan. her whole team could obviously fly privately and avoid airports. she just isn't up for leaving Queensland which isn't great for the sport as the clear world number 1 but totally fine if that's what she wants to do. she has never had the mindset of doing whatever it takes to win. explains why she's such a great person but will probably not go down as an all time great.People are placed at higher risk of contracting coronavirus when traveling by air, despite air being filtered on planes. It is movement through airports which is potentially hazardous. Then you have to consider the health of her team. We don't know if they have any underlying issues, nor is it any of our business.