The reality of what LeBron James has been this postseason is that he can pretty much do whatever he wants, whenever he wants it and there is absolutely nothing that anyone can do about it. Teams can try to throw things at James to force him to play a certain way, but he can impose his will any time he wants and in any way he wants.
It may be too simple, it may be impossible and it may not work at all, but game one was a nice reminder to the Celtics that is James can get into the paint then he will score every single time.