One man's opinion... who put's in more work than Kobe? Name the twenty players (if you can).
I mean how do I know or how do you know and that's the point of my comment? We don't know who works the most when the cameras aren't on the players. We don't know who shoots the most free throws or jumpers.
For example (and there are many like him) Chauncey Billups was drafted very high and in his first few years was not very good. Now, they guys is one of the best PG's in the NBA, a very solid shooter, great passer, plays D and took Denver from a just a first round playoff team to the brink of the NBA Finals. I'm sure he worked and currently works hard to not only get but maintain the level he plays at.
How do you know Kobe works harder than Chauncey Billups? Easy, we don't. Saying Kobe Bryant is the hardest working player in the NBA is quite frankly just a goofy comment.