"If you're doing the sort of Hollywood shoot where you have 45 people on a call sheet like transportation captains [lots of titles] then you might have a focus puller, and you might want to consider a DSLR in place of your Panavision or ARRI to save on film costs."
and
"If something moves, you need a focus puller and a special rig with special Hollywood focusing hardware to shoot with a DSLR.
DSLR video is for serious professional production, which is why you'll see it promoted as being used on big productions."
I'd agree that manual focus is not the best choice for wedding shoots, but that doesn't mean that manual focus is unusable by all but Hollywood productions.