Total Horse hockey. SO there’s some undetermined effect and the best you can come up with is ‘we don’t know so godidit.’ What a cop out!
He has taken all the available cosmological evidence containted in the Bible and plugged it into a finite form of “Big Bang” cosmology and Einstein’s theory of General Relativity. Perhaps you should examine his book and his technical papers before jumping to conclusions. Take a chill pill and see post #6 and #12.