Just because copyright still works for protecting authors works from movie studios, or protecting the Gottman method from therapists doesn't mean it works in protecting distribution channels from the internet.

I don't think there are any appropriate legal remedies capable of protecting distribution channels on the internet. If that means movies don't have as large budgets then so be it. The level of movie budgets in years past reflect a high water mark in the ability of content producers to control distribution and reach large numbers of people - they aren't of value to society in any inherent way.