Adding Giannis immediately upgrades both the starting and backup 5. Queta will be an excellent bench big and will be able to solidly spell Giannis. Thinking of the competitors' rotations at the 5 the Cs would be right in there with Holmgren-Hartenstein, Wemby-Luke, KAT-Robinson,...
I'm warming up to the idea and getting a bit hopeful about it. I don't love the risk, but the possible reward is exciting.