Is this a crazy schedule?
 

Is this a crazy schedule for 2 days of skiiing, 3 days of meetings (Syd, Mel, Bne), and 2 days of sightseeing in Korea?

It is in business class :)

Day 1 DFW-ICN12:35pm-5:00pm next day
Day 2 ICN-AKL 9:15pm-11:30am next day
Day 3 AKL-ZQN arrive Queenstown at around 4pm
Day 4 SKI
Day 5 SKI
Day 6 ZQN-SYD 4:10pm-5:20pm
Day 7 SYD-MEL 1:30pm-3:00pm
Day 8 MEL-BNE 12:05pm-2:10pm
Day 9 BNE-ICN 8:35am-5:35pm
Day 10 Korea
Day 11 Korea
Day 12 ICN-DFW 11:30am-10:15am

Assuming you've seen all there is to see in the Australian cities you're visiting, then not really. You're giving your body the chance to adjust to the new time zones, so not crazy in the slightest.

A bit sad if you're just trying to prove a point, yes, but not crazy ;)

Seems pretty routine to me. I used to do that quite often, especially in Asia-Pac. However I used to get upgraded to F nearly all the time. And if I thought I wasn't going to get upgraded, I paid up to F.