Because their main goal is to get more seats in Congress to gain a permanent majority. DC would give them two more Senate seats.
Heard DC has lots of teens. Teens vote democrat. Coincidentally teens are also hardest hit. No correlation
Sure, they can have DC if we get:
1. 2 new states out of California
2. Michigan UP a state
3. Northern third of Wisconsin a state
4. Down state Illinois a state
5...and others