I've walked barefooted up and down a Canadian mountain similar to Cradle with snow still fully on the path, so it is doable... But I wouldn't recommend it and even less so if you've not previously hiked barefooted.
Tasmania is also deceptive, it can look 20C one minute and be below zero the next.
Agreed that shoes probably make sense.
After 10 years they increased the per server population from 50 to 100, but don't worry server messing soon TM.
So no.