I believe it had more to do with the 1986 Welfare
Post# of 65629
"Lastly showing straight line projection of present trends out to 2054 is a fools game."
It was meant for exaggerated purposes only. I'm not a chartist, I'm a value investor. Attempting to be technical with a graph doesn't interest me the least bit. It was compiled for fun and out of boredom at the time.