Well, certainly the procedure for going to the bathroom is a bit different in modern times[1], and what parts of the Old Testament is a matter of debate between branches of Christians. Heck, the english translation of "thou shalt not (murder|kill)" is a bit of a thing. By the time you get out of bible school and listen to the sermons, you have gone through the whole bible[2].

I just found it very tone deaf to open with that kind of story when it basically has the same effect as what he is complaining about. Its just odd.

1) Although if you happen to hit a disaster, reviewing a bit of the health guidelines in Leviticus couldn't hurt. It will also probably help if you remember a lot of it is basic how-not-to-die health guidelines.

2) I came from the Catholic and 7th Day Adv family (yeah, not exactly the most agreeable to mix), and both seem to have gone through the whole thing. Plus, they have a bit of disagreement as to what constitutes the whole thing. Luther did a bit of pruning.