Because it’s a drug that gives you a feeling. Some people enjoy the feeling that smoking gives them, the addiction slowly follows after.
The same works for just about any drug. I can assure you that heroin and crack addicts didn’t suddenly decide they wanted to be addicted to those drugs. Curiosity gets the best of people sometimes.
I’ve been an electrician for a decade and milwaukee has always made great tools and were never “cheap” as long as I’ve been in the trade