The following question would then be, how? God spoke it into existence, great. That still doesn't explain it.... where did the stuff come from? What energies are involved? What is the process? Is there any residual energies left over? Etc, etc...
If you don't feel you need to answer these question about creation, then no one needs to answer those questions about the big bang.
If you don't feel you need to answer these question about creation, then no one needs to answer those questions about the big bang.