I keep reading about quality time and not quantity..... Where are the low time pilots going to gain this quality time? The idea is for individuals to obtain an ATP license prior to flying for a 121 carrier, what is wrong with this. Setting minimum standards is a big piece of the puzzle. It is not the entire fix but it is a start.
While one can argue that 2000 hours riding along as an instructor doesn't make you a good pilot it does make you more experienced than a 300 hour pilot doing the same thing. I have had the opportunity to fly with, instruct, and check out both low and high time pilots, that being said hours do make a difference.