The issue with this post is that the people offering 1-2% equity for you to do all the work were destined for failure far earlier than the point when they contact you. They're the people who want to make "the next Facebook" and have no experience in anything other than fanciful ideas.
Oh, I completely agree, and I don't waste trying to convince them. This is more a post to people who have just come up with an idea to try to get them to realize that they're going to have to work very hard to add enough value to make it worth it to a technical cofounder.