I know somebody who got a job on A320's because he had experience flying turboprops.
I know somebody who got a job flying 737's because she had 1000hrs Instructing.
I know somebody who got a job flying turboprops because he had experience as an FI and Air Taxi Pilot.
I know somebody who got a job as an Air Taxi pilot because he had experience in light aircraft as an FI.
It can be done, but not by moaning about the state of the industry. The only way is to "get one up".