Matt Dillahunty on The Kalam cosmological argument
Dillahunty challenges the Kalam on both premises and argues the conceptual analysis of the conclusion is unjustified.
Dillahunty has debated the Kalam with multiple apologists and developed a set of standard objections. On premise one, he questions whether we can meaningfully say that 'everything that begins to exist has a cause' when we have never observed matter coming into existence from nothing. On premise two, he notes that 'the universe began to exist' is a contested interpretation of Big Bang cosmology — what we know is that the universe was once in a very hot, dense state, not that it came from nothing.
His most forceful objection targets Craig's conceptual analysis of the conclusion. Even granting that the universe has a cause, Craig claims this cause must be timeless, spaceless, immaterial, enormously powerful, and personal. Dillahunty argues that most of these properties are simply assumed, not derived. Why must the cause be personal? Why must it be singular rather than plural?
Dillahunty often frames the issue as one of honest epistemology: saying 'I don't know what caused the universe' is more honest than asserting any particular answer, and certainly more honest than claiming the answer must be a specific God from a specific religion.
“I don't know is a perfectly good answer. In fact, it's the only honest answer when you don't actually have sufficient evidence.”