All regional training programs are based on one idea: take a 500-1,000 hour CFI (think pre ATP rule) and turn him into an RJ FO for the least amount possible. If you look at them through that lens a lot of things make more sense.

Regarding PSA, there is a lot of truth in what Rotorwashed wrote. Like he said though, it's also true that you'll be ready for your checkride if you put in the effort, and learning doesn't stop once you've passed your ride.