“The addition of a LAC or two . . . could add interest to your list, but only if your preferences align with that.” (8)
Interest, as in a quality or set of qualities not represented in the OP’s current choices.
Btw, why ask a question, “Why would he add LACs for ‘interest?’” then answer it for yourself, “That makes no sense.” (11) You might as well not ask the question if you have no interest in a sincere reply.