I will not recommend to change ownership for root. You're going to to build packages there, right? So, it's not recommend to build packages as root. See FAQ
I guess for 1-2 packages on a workstation its okay. But there is another problem - unpriveleged user can get an error with lack of memory (root user wont)
ей народ, решил себе взять еще один сервак, выбор пал на SUN FIRE X4170 с 2х Xeon® E5620 дня через 3 будет у меня, планирую именно на нем подымать OpenBSD