I don't get it. Can someone explain this?

[Doug]

http://bleacherreport.com/articles/19283...perfection

The second Trailblazers tweet:
"Is it too late to join the Eastern Conference? Asking for a friend."

[The rainmaker]

ok......

[BlackPhoenix]

It's a joke about how bad the Eastern Conference is this year, and how tough the West is. Portland is joking that they want to play in the easier conference, where they'd have a better chance of getting to the Finals.