For years we been complaining how we need to get "rushmen" with sufficient talent to be a force for sacks. Once we finally do, we're now talking about trading them for whatever they'll bring? Seems to me like we'd better off getting a consistent plan to improve this team and stick with it.
At some point, we have to trust those who bring success. I'm inclined to franchise Lawrence to find out if he'll continue to produce in the long run. If so, there's at least a fighting chance to enjoy several years or more of outstanding production. Sending him packing for another player only ensures taking yet another risk that may or may not prove successful.
There are no guarantees of ongoing success, no matter what manner of procurement is being undertaken. Ultimately, there's no substitute for sound management and good talent evaluation, regardless of the method being employed. Having good players will always be reliant upon sound judgment to ensure any team having a consistently good level of talent.