I believe it is a bug, and so did the original poster (sorry forgot his handle so I can't give credit where it is due) of those terminal commands. The standby setting
shouldn't affect anything when hybernatemode is set to zero, but that poster found that it did, which is why he suggested setting standby to zero and autopoweroff and standbydelay to the posted settings. In any case, setting them as posted above and again here:
sudo pmset -a hibernatemode 0
sudo rm /private/var/vm/sleepimage
sudo touch /private/var/vm/sleepimage
sudo chflags uchg /private/var/vm/sleepimage"
sudo pmset -a autopoweroff 0
sudo pmset -a standbydelay 72000
seems to work just fine.

Just make sure you do not have any important not-saved data in an open app before you put the MBP to sleep - just in case you run out of battery power (safe computing practices). Or live on the bleeding edge if you must ....

A fix for the slow shutdown issue has been posted too, reducing the timeout settings from 20 secs to 1 or 2 secs. Another case of clever folks on MR fixing what Apple should have done ....

MR posters