So if just 2 of the 20 are actual customers that decide to eat...

So if just 2 of the 20 are actual customers that decide to eat at a restaurant because of the video and they take their family say 8 people total. Profit from those people could be $100 or more, then in a few weeks the video would pay for itself. Not to mention they may tell another couple of people of their experience, Not a bad return on investment!!
You are stating the marketing does not work with absolutely no foundation for that assumption. Feels like the only reason you hang around is someone hurt your feelings by not believing what you post now you are a little bitter over it, thus the continued baseless posts.