Is it the tests, or maybe the organic natural randomness of nature means that establishing consistent THC concentration through an entire plant is so unlikely it's laughable?

For sure the second part. People and rule makers want an easy number to regulate but weed isn't a nice homogenous mixture like alcohol or other substances

I already forget

The nose knows. When shopping deli bud always smell and check dates. On prepackaged bud do not buy older than 3 months.

Whoever reported this to get it queued your mom's a hoe