I would caution anyone against painting all of rap being any one particular thing, just as I would caution anyone from suggesting all country or classical sounds the same. After all, the range between Hank Williams and Garth Brooks or Bach and Stravinsky is as massive as the range between Kendrick Lamar and Iggy Azalea.
Rap is a musical form, and whether you like it or not likely depends on what you've heard done with rap. What Lin does with rap you may like a lot more than any rap you've heard, since he was raised equally on rap and music you're likely to love as a BWW board member.
Words don't deserve that kind of malarkey. They're innocent, neutral, precise, standing for this, describing that, meaning the other, so if you look after them you can build bridges across incomprehension and chaos. But when they get their corners knocked off, they're no good anymore…I don't think writers are sacred, but words are. They deserve respect. If you get the right ones in the right order, you can nudge the world a little.