PBL is on the right track
Competence is far more important that simple hours. Thats a postion the oil and gas industry has now acknowledged allowing lower experience levels is gained in a structured cadet programme with simulator use and LOFT designed to build competence efficiently.
1500 repeats of the same 1 of straight and level flights is just 1 hours experience.
I have encountered Guppy before. No point using facts to counter strongly held opinions with some people.