My mom just bought a new phone and asks why it's still too slow and clunky like her old one. I found out she likes to click Buzzfeed-esque links from Facebook and most of those sites slow the device to a crawl because of the massive amounts of Javascript running.
People care about the downstream effects, they don't know the how or why, but they care.
People care about the downstream effects, they don't know the how or why, but they care.