This has nothing to do with Dale Earnhardt Jr personally, he was just a victim of circumstances, of having a step mom that only messes things up.
In context- You cant be at the top of your game if you have Dale Earnhardt Jr. Syndrome.
Once you are relieved of Dale Earnhardt Jr. Syndrome, you will achieve great things.
Step parents should be outlawed and banned to help prevent Dale Earnhardt Jr. Syndrome.