If this is a non-keeper, full redraft, then its hard to argue with an extra 1st & 2nd round pick. Assuming this offer was made post week-1 game, then Hunt isn't looking so hot and the owner may be trying to offload him ASAP.
Personally I have been trying to offer Hunt++ for OBJ in my league without much success. The week1 game has really torpedoed my chances in the meantime. Basically moving Hunt right now is selling super low, and that's the context that may explain the trade you shared.