Why do some weed give a 10 minute high?????

What i mean by weed i dont mean scwag or mids, im talking about high end stuff like purple kush, and sour diesal and stuff. I had grown kush and abused the shit out of it.. Unintentionally like pour boiling hot water that almost killed it, took it outside after a week of vegg and it accidently flowered i even pinched it during budding to sample every 2 weeks when i saw bud and in the end it made quarter and got me high for hours with a decent dry and cure. I just dont understand how some growers make thier buds give a 10 minute high, how do they do that and why? I mostly find that type of weed in medical shops who sells 10$ grams.
 
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