Isn't it objectively primitive technology? As for the blankets, it comes from the stereotypical image of person covering a smoldering fire with a blanket to rel

Isn't it objectively primitive technology? As for the blankets, it comes from the stereotypical image of person covering a smoldering fire with a blanket to release individual puffs of smoke, as in this [1] sketch. [1] https://www.youtube.com/watch?v=aZXugeBGCfk https://www.youtube.com/watch?v=aZXugeBGCfk