I don't get why Memphis would give up Tyus either. If you said 2 late round 1sts for Marcus Smart straight up, it's a bit low return for Boston but not a Tyus low.
Also, don't forget Washington has Johnny Davis too! A rough start to his career but he'll figure it out and be a solid player.
I think the Wizards are more interested in the fact that this is his last year under contract. I can see them taking on some big salary dumps in exchange for picks in the future. At least - that's the hope as a fan.
Our previous front office didn't leave much upside for the new management - it's going to be a slow rebuild.