Blue Dream Question

So quick question about blue dream. I keep reading it's clone only strain. Ive had some recently and I'm just wondering about this strain to grow pure blue dream. The strain is Blueberry x Haze. If those are the strains to cross it why has no one actually tried to cross them? Does it have to be specific haze or blueberry? Is it the difficulty of the haze since it takes 8 months to flower?

DJ Short sells Azure Haze, Riot Seeds sells Blue Dream S1.
according to attitude seed bank.

as said there are a few knock offs out there.. its easy enuff to breed your own..most seed comp. just see what other ppl do and try to remix it. the origanal blue dream comes from a despenzo in san fran cali...BD is literally everywhere in cali its almost anoying. naturally any cross sombody else would do wouldnt be exacly the same as the origanal they may come close but.. there are multipal pheno types of haze and same with bluberry. the long flower time of haze isnt an issue. in places like cali or spain they can grow those sativas outdoors or in green houses due to the great lenth of the spring and summer weather..

Haze doesn't take 8 months to flower. Yes they have to be specific phenos.... Hence the existence of many breeders. If any idiot could take any 2 phenos and slam them together you wouldn't need to buy seeds now would you. Try reading a book and don't look to attitude for your facts.