Literally ask any religions person to give evidence that’s NOT emotional or from the Bible/Quaran/Any other holy book, because the Bible or any other holy book is written by us
Problem is, toxic people are quite common in the furry fandom. From snowflakes, hate against dark humor, cringe tiktoks, perverts, and worst of all: twitter SJWs.
Atheism is simply the absence of belief in a god. It is a logical position to find yourself considering the lack of evidence for any deity. It's not something to "debunk." It's a default position for anyone abstaining from belief in god while waiting for theists to provide a single good reason to believe.