So if they've got major problems with it, they need to sit down and really examine their own consciences, because there's nothing that's going to stop it.» (faith.org.uk)
I think one of the major problems with it, is that it was formulated in the late 1800's, before many significant archaeological discoveries over the following century that contradict the theory. (redeeminggod.com)
However, as seen below, there was a major problem with it all. (caughtoffside.com)