It's easy to see and condemn the impetuousness of the Israelites...
It's easy to see and condemn the impetuousness of the Israelites who with their own eyes had seen the miracles God had performed to free them and yet Paul points out that it is part of our sinful nature to worship created things rather than the Creator. Bibliolatry is the worship of a book, such as the Bible, and something easy to fall into as Christians. We should understand how difficult it is to worship an invisible, boundless god without getting caught up in the visible and symbolic things that we are given as tools to help us know him.