So, whether a trend starts depends more on the environment ("tinder-dry forest") than on the starter ("careless smoker"); but you get a much bigger trend if you

So, whether a trend starts depends more on the environment ("tinder-dry forest") than on the starter ("careless smoker"); but you get a much bigger trend if you start with an Influencer. So you get more bang-per-buck from Influencers, right? Seems like a conflict of intentions: science (wanting to understand the big picture) vs. engineering (wanting to make something happen, efficiently).