It's easy to create fake anything these days, and people believe it. I'm sure we've been to mars, but as for video evidence, come on. Sure, our people have been there, but it probably was long before and even since 1973.
Regardless of it being a fake, that doesn't really matter when you think deeper. If you take into account that this brings these things to people's attention, then people start realizing that these things occur and are hidden, then you've open people's thinking to other things on this planet that may be true. You make people think about things they may have never considered before. And THAT is why it doesn't matter if it's phony.