I wondered that as well, actually. Lots of folks seem to be able to arrange for help but when my son was born it was just my wife and I. Our families were not able to help in any meaningful way. So we slept when the baby slept, were awake when the baby was awake, and traded care in shifts as much as possible. This fellow may be lucky and may have some additional help. In my case, I usually had the 2-6am shift.

His kid is very cute and looks quite alert! So whatever the care is I would say it's working fine for them. Didn't see any photos of the parents.