Which has almost nothing to do with Johnson's strength as a candidate, and almost everything to do with the fact that Clinton and Trump are so thoroughly and universally despised.
It's entirely plausible that the LP could have nominated Mr. Potato Head this cycle and still wound up breaking that 5% threshold.
Johnson got, what, the usual 1% (or thereabouts) last time around?
One thing's for damn sure, Harry Browne would be many, MANY orders of magnitude better than most of the assclowns the LP has nominated in recent years. Might even manage to actually introduce some new people to real libertarianism.
"All initiation of force is a violation of someone else's rights, whether initiated by an individual or the state, for the benefit of an individual or group of individuals, even if it's supposed to be for the benefit of another individual or group of individuals."