In other words, the assertive people can bring the reserved out of their shells, and the reserved people can keep the assertive people down to earth. It's a symbiotic relationship of sorts. And as for the Muppet crew - they seemed to be almost a family of sorts, the way they got along so well. (And any frustrations could be worked out on camera, using the puppets, so that helped as well.)
Very true, heralde - Richard's speeches at Jim's memorial were just what the doctor ordered. Everyone's reeling over the sudden and untimely loss of Jim - there are a lot of raw psychic wounds in there at the moment, and Richard's words were a good, soothing balm for those wounds. He also got a few laughs out of the audience, and that was very important.
And when we think about it, Richard's speeches had two purposes: one, two comfort the people grieving for Jim, and the other, to console the people who would, in about a year and a half, be grieving for him as well. As Richard said in the second speech, "There is solace, and there is joy, to know that Jim has returned home for a little while. And that all of us...are going to go back there someday."
(I listened to both of the speeches a few times, and typed out a transcript on my computer, for those times when I feel like reading it.)