I'm certain you will be way more informed about this than I, only thing- I thought type 2 wasn't exactly a 1:1 but a notable not quite near type 1, more CBD than THCa which yes is just uncarboxylated raw THC right? LolType I is high THC and low to no CBD, what you would buy in a dispensary.
II is 1:1 THC: CBD. Usually the THC is in the form of THCa. This is where the loophole comes in: the hemp regs require that hemp tests at below 0.3% delta9-THC, but doesn’t mention THCa. But pretty much all delta-9 THC naturally occurs in the form of THCa, even in type I. It converts to delta-9 THC when heated. Type II is similar to 70s-80s weed, before growers started selecting for higher levels of THC and little to no CBD.
Type III is little to no THC (a or otherwise) and high CBD.
I may have some of this wrong, please correct me if so.
I'm not saying 1:1 type 2's don't exist, nor they be the origin, true type 2's I wouldn't know that.
But 7-10% CBD with 5% THCa for sure.