One of the big problems is that infection control and antibiotic stewardship don't have billable procedures most of the time, and are thus viewed as cost centers by hospital leadership.
And therein lies the most significant problem with unbounded capitalism. Capitalism is a very, very powerful tool, because it redefines everything in terms of money. This enables the magic of specialization and trade, but it also causes situations like this where greedy and/or thoughtless people chip away at the margins of things like safety and let other people suffer the consequences.