Instead, Johnson has struggled out of the gate.
He is shooting just under 43 percent from the field and is averaging just 17.0 points per game—his lowest output since he averaged 16.7 per game in 2003-04 as a member of the Phoenix Suns.
It has seemed like Johnson has been forcing up some shots that he wouldn't normally take this season. Whether he's pressing or not confident with his teammates isn't clear. What is clear is that he's struggling to find the touch that made him one of the NBA's better scorers of the past decade.
Johnson is getting older—he's 31 years old—but blaming age as the reason for his slow start would be entirely too easy (and probably entirely incorrect).
There are other factors in play here.