Your spoken voice is a part of it - not a big part of it, but it's something. It puts people at ease, and once again kind of reaches out and makes a bridge for what's otherwise difficult music.
Plus, you know, when I was young, there was a lot of respect for clowning in rock music - look at Little Richard. It was a part of the whole thing, and I always also believed that it released the audience.
One and the same thing can at the same time be good, bad, and indifferent, e.g., music is good to the melancholy, bad to those who mourn, and neither good nor bad to the deaf.
The first Decline I did was out of sheer love and appreciation for the music. In 1977, it was more about bands, because punk was a new form of music. It was groundbreaking and political.