I understand that, and agree with that outlook on any and all aspects of boa keeping/breeding/collecting.
I think the main reason a huge variety of hypomelanistic boas are found in captivity today is more to do with the appearance of the animals that particular line has had in the development. If you look at double het sunglows a majority of them are muddy, somewhat heavily speckled, and quite ugly in general, The main reason this would be is that when you are breeding to make sunglows speckles are not an issue so any hypo to any albino will work to make the dh offspring. dh ghosts are the same way.
Now if you look at lines that have been refined to make the best appearance possible you will find clean, brightly colored animals that show the best of what the hypomelanistic/salmon trait has to offer.(Rich Ihle at salmonboa.com is a prime example of making the best of what can be done with the salmon traits)
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Randall L Turner Jr.
You never experience life until you have kids..then you realize what you should have done rather then what you did do