Witchdoctor. Not exactly correct.
CTC ATP scheme costs about £6500
If successful after stage 4 (36 hours in a 737-700) into hold pool.
On completion of TR receive £2000 back.
6 Months line training etc during which you are paid approx £1000 a month.
To me getting a grand a month and getting a TR and experience with a guarentee of employment (granted may not be with the initial airline) as long as you do not mess up sounds good to me.
It appears to be one of the only reputable ways into the RHS of a jet for low houred guys and girls.
Rgds Joe