Bitcoin has adoption "waves" that are outlined in your linked chart rather succinctly.
Every time we go through this, I have to laugh at the media reports that Bitcoin is "dead" again. This usually happens after a decline from a new major high.
There have been 100+ instances where Bitcoin was declared "dead" in the press, and yet it has persisted for nearly 9 years.
I agree that we're just beginning to see the potential of Bitcoin and the underlying technology that powers it.