Last night, at the end of my viewing “The Social Dilemma,” a documentary now streaming on Netflix that launches a howitzer at the purported addictive evils of modern social media manipulation and the technologies that enable it, up popped on my screen one of those “You might also like” blurbs that are attached to most every piece of media these days. They’re designed, of course, to keep us glued right where we are rather than take the dog for a walk or finish up the dinner dishes or read a bit of poetry from a paper book before turning off the bedside…