He just keeps expanding, like the cosmos, into ever bigger spaces. The last extravangaza choked the Albert Hall. Dawkins has been filling halls for years too. He is quite used to being a sell-out. The questions aren't always so respectful.
Biologists keep meeting the dwindling band who believe in the literal truth of the Bible.
Dawkins doesn't mind. There are people who do seem to think they know it all. But they sort of liven it up a bit, I don't find it irritating. That is his job these days. He is called the Charles Simonyi professor of the public understanding of science.