Damn right, we need Sideboob Samurai and Moon Powered Lawnmower on the Crew. We left two good furries behind on Wano, and we're coming back for them.
Teach told Koby he wants to make Hachinosu a nation. Once Wano's Borders collapse, Blackbeard will end up with Pluton as his new "nation".
Pluton will let Teach threaten the World Government into Blackbeard becoming the King of Pluton: The "King of the Underworld", after Kaido and Doflamingo's losses left a power vacuum. We already know the Gorosei fear Pluton.
Teach: "Hey, Imu! Let me become a King of the World... a true King... a Celestial Dragon, and, then, I promise I won't use Pluton to blow up the Redline, Zehahahahaha! I've heard you guys lost some slaves, foods, and funds recently... Well, I hate the Revolutionaries, too, after what they did to my Nakama, Burgess. I can take care of your food shortage problem...
by killing Dragon for you."
Oda's teased the Revs and Blackbeard having bad blood for awhile, I think this is where it hits the fan. Dragon clearly has some powerfrul Fruit; Teach will crave it, same with Boa.
Garp isn't enough to negotiate with the CDs, they HATE GARP. Pluton? Pluton is enough to get Teach the position he wants. Once he's a King/World Noble, Teach's path to One Piece becomes SO EASY, the Marines LITERALLY CAN'T TOUCH HIM.
This is why Teach wants to become a King; he'll literally be able to COMMAND MARINES. "Zehahaha, hey, Helmeppo: go beat up Mugiwara for me, ZEHAHAHAHAHA!" Teach getting Pluton allows him to become an actual threat to Imu, rather than a nuisance. Luffy gets Poseidon, Teach gets Pluton, Imu has Uranus.
Also random thought: I hope Yamato is the first non-Chopper Zoan to try Chopper's Rumble Balls. Give me Giant Sexy Wolf Lady, YEAHHHHHHHHHHHHHHHHHH