Reverend of Auckland's Metropolitan Community Church Doug McGee told TVNZ that Tamaki's comments were outdated.
"God is unconditional love - and inclusive love too," he said.
"The church should be leading some of the changes in society instead of dragging behind."
Tamaki believes that natural disasters are side effects of environmental pollution, abuse, and sexual sins.
In a sermon delivered just 24 hours before the Kaikoura earthquake last November 14, Tamaki blamed earthquakes on gays, sinners, and murderers.
"The land actually speaks to God. Out of the soil ... Abel's blood spoke to God from a murder. The earth can speak. Leviticus says that the earth convulses under the weight of certain human sin.
"It spews itself up after a while - that's natural disasters. Because nature was never created to carry the bondage of our iniquity," Tamaki said.