it would be better if you came back with some comments that would shed light instead of dissent.
go back and read the research of guys like glorieux, Tidal Pool etc. etc.. they've done many hours of DD. how much more can be done for you?
you can always find fault if you're not considered in your questions. always. there's an old saying that nothing is impossible for someone that doesn't know what he's talking about. well the same is true in a reverse sense. anything is impossible for someone that doesn't know what he's talking about also. fly used to be considered impossible. so finding fault is easy. worrying is easy. a deeper knowledge is hard.