And he is right that Star Trek said "Let's do a humour episode this week" rather blatantly.
But SG1 has its humour music. So they may have it within a dramatic episode, but every time the comedy character comes on screen you have to have that bombastic comedy music.
Oh, and I think he's trying to guess why they want him on SGA, but they probably don't know. Talk about lurching from one problem to another over the last year. It's turning into Andromeda. We just need to radically change a female character now and it's done.