An advantage is that storage requires very low humidity, so you dont need a humidor for dry-cured cigars
Since stinky weed isn't highly sought after, it's possible these compounds are produced when a grower hits upon a particularly funky phenotype
New regulations would require e-cigarette companies to register with the FDA and report products and ingredient listings, only market new products after FDA review, only make direct and implied claims of reduced risk if the FDA confirms that scientific evidence supports the claim and that marketing the product will benefit public health as a whole, not give out free samples, require age and ID restrictions for purchase, and include health warnings on products
Hairy tongue occurs due to lack of stimulation / abrasion to the top of the tongue
Last but not least, global market inconsistency paired with production slumps in the past years adds to the picture, too