I'm not gonna go into a long diatribe, but numbers can be interpreted anyway you choose. I guess you have to be lucky and pick the right 15 years to invest. I believe those numbers validate that the Slowlane is as risky as any business. Also, I find it interesting inflation is only mentioned when it befits his Slowlane thesis.
When your primary wealth acceleration vehicle is the stock market, be prepared for a long, bumpy ride that takes 50 years to realize. No thanks, I see ya at the finish line -- I'm already there 40 years early.