Sometimes the level of ignorance of the average smoker amazes me. If you think resin is worthless and has no THC, then glob it all up in a big nasty sticky pile and send it to me. I'll gladly smoke it, or make cannabutter out of it, or smoke it. Yes, I said smoke it twice. I've been smoking for more than 20 years and I always clean my pipes and bongs when they get nasty. After all, even if you haven't run out of bud, you want to keep your equipment clean so that you can actually taste your pot, right? Anyway, I like to save small stems and bits of bud, put them in the bottom of a bowl and then drop a big ball of resin on top of that. One fat bowl of resin will burn literally all day long and gets you high as hell if it came from mostly good weed.
Now here's the science behind this: THC is removed from smoke by your lungs. 95% of the available cannabinols are absorbed by the lungs almost instantly on the first pass. So what you exhale is worthless. But the stuff that accumulates in your pipes and bongs, that's from sidestream smoke: meaning direct marijuana smoke that never had its THC removed by the lungs. So as that smoke builds up resin, that resin contains all the THC you would have inhaled if it hadn't been collecting on your pipe and bong instead; allowing of course for degradation by light and air.
Ultimately, resin is as good as whatever weed it came from because it's actually the remnants of hits that you never got to take. So enjoy your resin and stop being so ignorant.
I've been smoking for 40 years.....pipe resin, bong resin, what ever you want to call it, taste like the south end of a northbound donkey I don't care what the strain is
But, by all means, enjoy your resin