Because you want to know what you're getting yourself into before you decide to drop 60, 70 or 100 bucks on movie night out with your family.
It's not just movies that are expensive, its everything. Everything has gone up to the point of insanity. So when you have original films and they struggle to break even or even come close to seeing black, just realized that people are more than willing to wait for those ones to come on Netflix or prime or Disney or whatever in the next month or two.
But you want to pry money from people? Give them something that they at least know they're familiar with. That's why the name recognition, at least the way I see it, is more important maybe that has been ever.