Also, reuniting Sean and Han for some excitement is too good of an opportunity to pass up, and since he’ll definitely be coming back in some way for the Fast and Furious sequels, you’re basically killing two birds with one stone.
Right there, you not only bring back a fan favorite, you also squash a serious beef in the Fast and Furious canon.
In fact, there’d be no better way to do that then to reveal that, surprise, he was drafted into the Diplomatic Security Service and has been working as a deep cover agent.